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Jewish institutions awaken to climate crisis, with hundreds pledging action
(JTA) — For a decade starting in 2002, Jennifer Laszlo Mizrahi devoted herself to pro-Israel advocacy. After that, the Jewish philanthropist and activist from Annapolis, Maryland, went all in to fight for disability rights, working in the field for the next decade. Now, Mizrahi is focused on climate change.
“Let me put it this way: In 2021, we donated to one climate organization, and in 2022, we donated to 17 of them,” Mizrahi said, referring to the small charity fund she runs with her husband, tech entrepreneur Victor Mizrahi. This year, the couple made their largest climate-related donation yet, sending a group of nine climate reporters to Israel to meet tech startups working on ways to reduce greenhouse gas emissions. Mizrahi and her husband have also begun commercially investing in such startups.
“I was hoping other people would solve it,” she said. “But the pace of the change is not nearly meeting the demand at the moment. I felt that even though I don’t know the subject, I’m just going to have to do it because I have kids and I don’t want this world to fall apart.”
Climate change has long ranked at or near the top of a list of issues concerning Jews in the United States, according to multiple surveys, and Jews have been heavily involved in the wider climate movement. But until recently, the issue had a marginal place on the agendas of Jewish communal organizations, which neglected climate even as the subject took on importance in the activism and policies of other religious communities and in the larger philanthropic world.
Mizrahi’s newfound emphasis on climate is an early example of a larger shift that is underway in Jewish philanthropy, a multibillion-dollar world made up of thousands of individual donors, charitable foundations and nonprofit organizations.
“It’s the beginning of what will become a more widespread focus among Jewish groups,” said Rabbi Jennie Rosenn, the founder and CEO of the Jewish climate group Dayenu. “We’re seeing an awakening to this as a profoundly Jewish issue, and awakening to the role that the Jewish community has to play in addressing the climate crisis.”
Scientists say that decisions regarding carbon emissions made in the next few years will affect life on Earth for thousands of years to come. The most recent warning came in March, when leading global experts with the Intergovernmental Panel on Climate Change published a new report, stating that “there is a rapidly closing window of opportunity to secure a liveable and sustainable future for all.”
The large Jewish populations living in the coastal United States are vulnerable to extreme storms, sea-level rise, severe heat and other weather disruptions — a situation dramatized in the recent Apple television series “Extrapolations,” in which a rabbi contends with rising sea waters infiltrating his Florida synagogue. Meanwhile, Israel is experiencing a slew of impacts from drought and floods to security threats tied regional climate-related instability.
A flooded road after heavy rainfall in the central Israeli city of Lod, Jan. 16, 2022. (Yossi Aloni/Flash90)
Israeli officials visit the site where a road collapsed into a large sinkhole at Mineral Beach in the Dead Sea on December 7, 2017. Many facilities and beaches have been closed or shut down in recent years following the increase in sinkholes caused by ever-declining sea levels, as climate change strains the country’s water resources. (Mark Neyman/GPO)
The last few months have seen a flurry of new initiatives aimed at both greening Jewish institutions and directing collective action on climate.
In December, for example, Rosenn’s group published a report calculating that endowments of Jewish organizations, from family foundations to local federations, are invested in the fossil fuel industry to the tune of at least $3 billion. The report launched an ongoing campaign called All Our Might that urges Jewish leaders to withdraw these investments and put the money toward clean energy instead.
Meanwhile, many of the most prominent Jewish organizations in the country — representing local federations, Hillel chapters, summer camps, community centers, day schools and nearly every religious denomination — had already joined a new green coalition organized by another Jewish environmental group and were preparing to unveil pledges to do more in the fight against climate change.
The unveiling of the climate pledges happened in March, under the leadership of Adamah, a nonprofit created through the merger of two stalwarts of Jewish environmentalism, Hazon and the Pearlstone Center.
“Climate and sustainability have not been on the list of priorities for the vast majority of Jewish organizations; this coalition and these climate action plans reflect a deep paradigm shift and culture change moving forward,” Adamah CEO Jakir Mandela said at the time.
The commitments made by members of Adamah’s Jewish Climate Leadership Coalition include sending youth leaders to global climate summits, reducing emissions of buildings and vehicles and lobbying the federal government to pass climate policies.
More than 300 congregations and nonprofits have joined. For Earth Day, Adamah announced a million-dollar fund offering interest-free loans and matching grants to Jewish groups for projects to reduce their greenhouse gas emissions.
If any single event can be said to mark the debut of the climate issue as a top Jewish communal priority, it is probably the recent annual conference of the Jewish Funders Network, which took place in March in Phoenix, bringing together thousands of donors and charity executives.
For the gathering’s first event, before the formal opening of the conference, a group of participants went on a field trip to downtown Phoenix to learn about the local effects of the climate crisis. Far more people signed up than organizers anticipated, and with about 55 passengers, the tour bus chartered for the occasion reached capacity. Mizrahi, who was among the participants, said the trip was helpful as a networking opportunity for like-minded philanthropists.
“We wanted to expose them to how the existential threats posed by climate change are not long term, but are already here,” Yanklowitz said. “People down in the Zone are dying every summer from heat exhaustion and dehydration.”
Based on his debrief with the group afterward, Yanklowitz feels the trip left an impact on participants.
“I didn’t hear anyone say, ‘Oh, I’m changing my commitments.’ But I did get the sense that climate change was kind of abstract for many people, and that now it really hit home,” Yanklowitz said.
The rest of the conference featured multiple talks and gatherings dedicated to climate, including on the main stage, and an announcement that Birthright, which offers free trips to Israel for young Jews, was increasing its own climate activism with the help of a new donation.
In an interview, Ellen Bronfman Hauptman and Stephen Bronfman, children of Birthright founder Charles Bronfman, said their $9 million gift is meant to honor their father on the occasion of his 90th birthday, while also bringing Birthright more in line with the values of a new generation that is environmentally-minded.
Birthright organizers will use the funding to develop programming focused on climate that could, for example, expose participants to Israel’s clean tech scene. The money is also intended to help Birthright lower its own carbon footprint, potentially by switching to electric buses or adding more vegetarian meals.
The Bronfmans hope that Birthright’s significant purchasing power in Israeli tourism will nudge the industry toward more ecologically sustainable practices.
“To me, Birthright is like Walmart — everyone wants to do business with them,” Stephen Bronfman said. “They have the power to dictate terms to their service providers and affect the supply chain.”
The widespread interest in climate mobilization among Jewish groups comes after years in which the issue languished outside the mainstream. Rosenn, the head of Dayenu, who has attended about 15 conferences of the Jewish Funder Network, noticed a change this year.
“There used to be half a dozen people at a breakfast before the program talking about climate. And it wasn’t even climate, necessarily — it was the environment writ large,” she said.
The Jewish world is, in many ways, still lagging behind the larger climate movement. Divesting endowment funds from the fossil fuel industry, for example, is seen as a bold step among Jewish groups even though at least 1,590 institutions representing nearly $41 trillion in assets have already publicly committed to doing so, according to a website tracking such pledges. About a third of the groups on the list are defined as faith-based organizations, but only three are Jewish: Kolot Chayeinu, a congregation in Park Slope, Brooklyn; the Reform movement’s pension system; and the American Jewish World Service, a global justice group.
Rabbi Laura Bellows, now Dayenu’s director of spiritual activism and education, waves matzah as she encourages major financial organizations to divest from fossil fuels at a rally in Washington, D.C., April 20, 2022. (Bora Chung | Survival Media Agency / Courtesy of Dayenu)
Adamah’s own climate plan doesn’t include a pledge to divest but only a promise that it will investigate the option of doing so for its endowment and employee retirement funds. Instead, the plan touts the group’s education and advocacy efforts, and focuses on reducing emissions at its retreat centers.
Adamah’s chief climate officer, Risa Alyson Cooper, acknowledged that Jewish community institutions have been “largely absent” from the divestment movement and said her group regards divestment as one of several required tools for addressing the climate crisis.
She said the Jewish community hit a milestone when 12 of the 20 founding members of Adamah’s climate coalition said in their climate plans that they would consider amending their financial practices. That was significant, she said, in light of the organizations’ complex and deliberate governing structures, which can make executing such changes onerous.
“While the Jewish community may have lagged behind in years past, we are catching up quickly,” Cooper said.
Such a shift would mark not only a milestone for Jewish climate activism but also a departure from how the Jewish community has historically done philanthropy, said Rabbi Rachel Kahn-Troster, executive vice president of the Interfaith Center on Corporate Responsibility.
She said wielding financial holdings for social impact has been a hallmark of advocacy by Christian groups. Last year, the Presbyterian Church (U.S.A.) opted to divest from fossil fuels in light of the climate crisis.
The Jewish community, meanwhile, has tended to act primarily through charitable donations. One of the reasons for the difference, she said, is that the Jewish community is much less centralized with communal assets spread across many endowments, making the actions of any single group relatively less impactful.
“Adamah had done some really important work to change individual behavior and grow people’s connections to the environment, but the bigger piece of bold collective action to fight the climate crisis was missing,” Kahn-Troster said. “The overall community is late to respond to the urgency of the problem. But I do think that the work of these organizations is very significant, so I’m excited to see it.”
Kahn-Troster’s historical view is informed by the legacy of her father, Rabbi Lawrence Troster, an environmental activist who had pushed for communal Jewish action on climate, and by the passion for climate justice displayed by her 15-year-old, Liora Pelavin, a member of the Jewish Youth Climate Movement, an arm of Adamah.
“Finding a meaningful Jewish space to do grassroots-level climate advocacy that many young people are demanding has been really important to Liora,” Kahn-Troster said.
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After MIT professor’s killing, Jewish influencers spread unverified antisemitism claim
There is no evidence that Nuno F.G. Loureiro, an M.I.T.-affiliated scientist who was shot Monday at his home in Brookline, Mass., was killed in an antisemitic attack. It’s not even clear that he was Jewish.
But in the hours after his death Tuesday morning, a rumor spread that Loureiro was Jewish — and targeted for his pro-Israel politics. In the wake of a mass killing at a Hanukkah celebration in Sydney, Australia, prominent Jewish social media influencers pointed to Loureiro’s death as proof that Jews all over the world were under attack.
The claim appeared to originate from Ira Stoll, the author of a conservative-leaning Substack newsletter called The Editors. In the newsletter and on X, Stoll reported Tuesday that Loureiro was Jewish. On Substack, Stoll attached a screenshot of a Threads post in which a user with that name defended Israel and criticized Hamas.
There was just one problem: The Threads account did not belong to the slain M.I.T. professor. But in an online information ecosystem that rewards virality, paranoia and hot takes — and whose most influential voices are rarely beholden to journalistic ethics — the unverified assertion took hold.
“Loureiro has been reported to be Jewish with strong pro-Israel views,” the pro-Israel account StopAntisemites shared with more than 350,000 followers. Quoting that post, pro-Israel activist Eyal Yakoby wrote to his 250,000 followers on X, “Every Jew must arm themselves.”
Influencers who repeated Stoll’s claim stated it as fact, usually without stating their source of information. If they had, other uses might have seen that Stoll deleted the X post, and edited his Substack article to include a clarification that MIT had clarified the Threads account belonged to a different person.
Instead, the unverified claim spread to other platforms.
“It’s Jew-hunting season,” the pro-Israel food influencer Gabriel Boxer, who goes by Kosher Guru, and the Jewish account Community News told nearly 400,000 Instagram followers in a joint post. Marnie Perlstein, an Australian Jewish influencer, asked in a Reel why the media wasn’t talking about Loureiro’s Jewish heritage.
There was a good reason legacy media that covered Loureiro’s death, among them the Associated Press and The New York Times, did not report that Loureiro was Jewish: It’s not yet clear whether he was. Indeed, some evidence suggests he wasn’t.
At around the same time as Yakoby’s post, a man named Joah Santos tried to shoot down the rumor, saying Loureiro, a friend of his, was not Jewish and would have never spoken about Israel or Gaza. (The Forward has reached out to Santos.)
StopAntisemites’ post had been reposted nearly 2,500 times and received nearly 600,000 views as of this Wednesday evening, and remains visible on X. Santos’ opposing claim, meanwhile, has been seen only 150,000 times.
The idea that Loureiro was Jewish eventually found its way into Yeshiva World News and the Jerusalem Post, which called Loureiro “a Jewish and vocal pro-Israel nuclear scientist.”
Authorities have opened a homicide investigation into Loureiro’s death; no suspects or possible motives have been disclosed. Funeral details have not been announced.
It’s possible that Loureiro was Jewish — neither the university that employed him nor his family has stated otherwise. But no one has been able to say definitively that he was.
The MIT media relations team told the Forward it could not comment on a staff member’s ethnicity or religion. MIT Hillel did not respond to a voicemail left Wednesday evening.
Bruno Cappi, who described himself as a close friend of Loureiro’s in the MIT physics department, said in an interview that he had worked with the professor since 2016 and that his friend had never mentioned being Jewish during that time. Many of their colleagues in the department were Jewish, Cappi said, with last names typical for Jewish ancestry like Friedman and Rosen; if someone were attacking Jews, why would they go after someone whose Jewish identity was not widely known? “It’s all absurd,” he said.
More than 24 hours after Santos and others tried to correct the record, the articles from the Jerusalem Post and Yeshiva World News remained online. The posts by Yakoby, KosherGuru and Perlstein — none of whom responded to requests for comment prior to publication — also remain up as of this publication. (Some X posts have pending crowd-sourced Community Notes underneath stating he is not Jewish and linking to Santos’ post, but those notes are not currently being shown to all users.)
Additional evidence that Loureiro was pro-Israel was also thin: An X user claimed that a Google Street view image of the professor’s home showed a “Stand With Israel” sign. If the image did depict his building, it had been taken three years earlier; it also showed a multifamily building, and Loureiro — if he did live in the building at the time — did not necessarily live in the unit with that window.
Nevertheless, the claim continued to spread. Around 8 p.m. ET on Tuesday — several hours after the posts from Stoll and StopAntisemites — a Wikipedia article was created about Loureiro, which claimed he was born “to a Sephardic Jewish family.” That claim remained on the article for four hours before a different editor removed it.
The post After MIT professor’s killing, Jewish influencers spread unverified antisemitism claim appeared first on The Forward.
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Europe Moves to Toughen Stance on Antisemitic Incitement After Bondi Beach Massacre
A pro-Hamas march in London, United Kingdom, Feb. 17, 2024. Photo: Chrissa Giannakoudi via Reuters Connect
In the wake of last weekend’s deadly attack on a Hanukkah celebration at Sydney’s Bondi Beach, some European authorities are stepping up efforts to crack down on antisemitic incitement, with Britain and Germany targeting certain slogans and ramping up legal and security measures.
On Wednesday, London and Manchester police warned that anyone publicly chanting to “globalize the intifada” — a popular slogan among anti-Israel activists that has been widely condemned as a call for violence against Jews and Israelis — will be arrested.
Local law enforcement said the crackdown comes as the “context has changed” in the wake of Sunday’s massacre in Australia, where gunmen murdered 15 people and wounded at least 40 others who gathered at Bondi Beach to celebrate the first night of the Jewish holiday of Hanukkah.
The British government’s latest effort to confront rising antisemitism comes after a series of deadly attacks earlier this year, including the Yom Kippur terrorist assault in Manchester, which left two Jewish men dead; the firebombing of a march for Israeli hostages in Boulder, Colorado, which killed one person and injured 13 others; and the murder of two Israeli Embassy staffers in Washington, DC.
“We know communities are concerned about placards and chants such as ‘globalize the intifada,’” London’s Metropolitan Police and Greater Manchester Police said in a joint statement, pledging to “be more assertive” and take decisive action against anyone inciting violence.
“Violent acts have taken place, the context has changed, words have meaning and consequence. We will act decisively and make arrests,” the statement read.
Britain’s Jewish community welcomed the government’s latest measure, with UK Chief Rabbi Ephraim Mirvis describing it as “an important step toward confronting the hateful rhetoric on the streets that has fueled acts of violence and terror.”
Phil Rosenberg, president of the Board of Deputies of British Jews, also praised what he called a “necessary intervention” to tackle the growing hostility and hatred that Jews and Israelis have continued to face over the last two years, following Hamas’s Oct. 7, 2023, massacre across southern Israel.
“We have seen the result of hate-filled slogans in murderous attacks around the world, including in Manchester, the Capital Jewish Museum in Washington, DC, Boulder Colorado, and this week in Bondi Beach,” Rosenberg said in a statement.
After repeated urging from the Board of Deputies and others, the Met and Greater Manchester Police have announced a tougher, clearer approach to chants and placards such as “Globalise the Intifada”. We strongly welcome this necessary intervention.
Our full statement: pic.twitter.com/kem7RhunRU
— Board of Deputies of British Jews (@BoardofDeputies) December 17, 2025
The Embassy of Israel in the UK also welcomed the government’s move, expressing hope that real action will now be taken “before it can lead to further radicalization and violence against Jews.”
“Calling to ‘globalize the intifada’ is clearly incitement to violence, and a direct line can be drawn between these antisemitic chants and the acts of terror that we have seen against Jewish people worldwide,” the statement read.
“It is disappointing it has taken such a long time for British authorities to recognize this, and it should not have been on the Jewish community to plead with the authorities to take these threats seriously, only being done so after more Jews have been killed,” it continued.
Press statement:
The Embassy of Israel in the United Kingdom welcomes the joint announcement by the Metropolitan Police and Greater Manchester Police forces that they will arrest people promoting the phrase ‘globalise the intifada’.
As Israel and the Jewish community have been… pic.twitter.com/0eGn5yvlhl
— Israel in the UK
(@IsraelinUK) December 17, 2025
However, this latest initiative has also faced criticism from some, with opponents arguing that it constitutes political repression and violates the right to free speech.
“The statement by the Met and GMP marks another low in the political repression of protest for Palestinian rights,” Ben Jamal, director of the Palestine Solidarity Campaign, said in a statement ahead of a planned pro-Palestinian protest in central London on Wednesday.
“The horrific massacre in Sydney, Australia should not be used as a justification to further repress fundamental democratic rights of protest and free speech in this country,” he added.
UK police have already ramped up security around the country’s synagogues, Jewish schools, and community centers, increasing patrols and implementing additional safety measures to protect communities amid rising tensions.
Shortly after the new measure was announced, local police arrested two individuals “for racially aggravated public order offenses” after they allegedly “shouted slogans involving calls for intifada” at an anti-Israel demonstration in central London, while a third person was detained for obstructing the arrests, the Metropolitan Police said.
UK Prime Minister Sir Keir Starmer also announced on Wednesday that the government had increased funding for Jewish security to approximately $34 million.
Meanwhile, German authorities have also increased efforts to tackle the surge in antisemitic incitement and attacks targeting Jews and Israelis nationwide.
On Wednesday, the Berlin District Court ruled that the use of the slogan “From the river to the sea, Palestine will be free” is a criminal offense, describing it as a symbol of the banned Palestinian terrorist group Hamas.
The ruling came after a 25-year-old man was convicted for shouting the phrase at an anti-Israel protest, found guilty of using symbols of terrorist organizations and inciting violence.
“Anyone who uses this phrase is backing Hamas and its core objective — the destruction of the State of Israel,” ruled presiding judge Susann Wettley.
Although criminal courts across Germany have issued inconsistent rulings on the use of the antisemitic slogan at protests and demonstrations, the latest Berlin District Court decision could allow the German Federal Court of Justice to establish a clear, nationwide legal standard.
Israeli Foreign Minister Gideon Saar praised the ruling, saying that other countries should follow Germany’s example.
I welcome the Berlin District Court’s decision to once again rule that the slogan “From the river to the sea, Palestine will be free” – a Hamas symbol – is a criminal offense.
The verdict is clear: “Anyone who uses this sequence of words supports Hamas and its primary goal – the…— Gideon Sa’ar | גדעון סער (@gidonsaar) December 17, 2025
“From the river to the sea, Palestine shall be free” is a popular slogan among anti-Israel activists that has been widely interpreted as a genocidal call for the destruction of the Jewish state, which is located between the Jordan River and the Mediterranean Sea.
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US Rep. Byron Donalds Opens Wide Lead Over Anti-Israel Candidate, Rest of Field in Florida GOP Primary for Governor
US Rep. Byron Donalds (R-FL) speaks on stage during the Turning Point USA Student Action Summit on July 11, 2025, in Tampa, Florida. Photo: Luis Santana/Tampa Bay Times via ZUMA Press Wire via Reuters Connect
US Rep. Byron Donalds (R-FL) has firmly established himself as the frontrunner in Florida’s Republican primary for governor, new polling shows, building a substantial lead over the field, which includes anti-Israel investment firm CEO James Fishback.
The survey, carried out by The American Promise, finds Donalds leading the field with 38 percent support among likely Republican voters. Lt. Gov. Jay Collins trails far behind at 9 percent, while Azoria CEO James Fishback registers 2 percent and former Florida House Speaker Paul Renner garners just 1 percent. Nearly half of respondents, 49 percent, say they remain undecided.
Donalds, a stalwart conservative and strident ally of US President Donald Trump, has established himself as a firm ally of Israel. Donalds expressed support for Israel’s right to self-defense in the wake of Hamas’s Oct. 7, 2023, massacre across southern Israel. As skepticism about Israel has surged within the Republican Party in recent months, Donalds has maintained strong vocal support for the Jewish state.
During an interview with Fox Business this week, Donalds lamented rising antisemitism and anti-Israel sentiment within the country and around the world.
“This level of antisemitism, this hatred against Jewish people and against Israel, it’s out of control. It’s insane,” Donalds said.
Donalds also reflected on the antisemitic terrorist attack at Bondi Beach in Sydney, Australia on Sunday, connecting the rise of extremism in Western countries to relaxed migration policies.
“I mean, this rhetoric around hating Israel, hating the Jewish people, that has to stop because there are real-world consequences. There are crazy people who will carry this out,” he said.
“And to Joe Biden and what he did on the southern border for four years, this is the reason why Republicans and President Trump, we are taking border security so seriously in the face of Democrats who had no problem leaving our borders wide open. It’s actually put the nation at risk,” he added.
Fishback, a successful investor, entered the gubernatorial race on a slate of populist agenda items. He has raised eyebrows in recent weeks by flirting with members of the antisemitic Groyper movement and signaling acceptance of its leader, Nick Fuentes.
During a December appearance on Rift TV, a podcast hosted by antisemitic social media pundit Elijah Schaffer, Fishback said that he finds “the audience of young men who follow and watch Nick Fuentes to actually be incredibly informed and insightful.”
After receiving substantial blowback over his comment, Fishback released another campaign video in which he reiterated his defense of Fuentes’s supporters.
“I want to clarify some comments I made this week rather abruptly” about “the young men in our country who watch and follow Nick Fuentes,” Fishback said.
“I want to clarify and apologize for absolutely nothing,” he continued, adding that his interactions with Fuentes supporters at his campaign events were “respectful” and “civil.”
“We had a great conversation, and they have a real pulse for what is going on in the country,” Fishback said.
Fuentes, a 27-year-old antisemitic internet personality and provocateur, has experienced an increase of popularity in recent months, propelled by a surge of viewership from young men. Fuentes has repeatedly parroted Holocaust denial talking points and suggested that Jewish people are more “loyal” to Israel than to the United States.
Amid the uproar, Fishback released a subsequent video on Tuesday defending the free speech rights of those who believe that Israel is committing a so-called “genocide” in Gaza and that Israeli Prime Minister Benjamin Netanyahu should be considered a “war criminal.” He falsely suggested that those who criticize Israel are facing legal repercussions.
“Is Netanyahu a war criminal? Did Israel commit genocide? If you say either of those statements in public, you could be convicted of antisemitism. Criticizing a foreign government or any government is always protected under our constitution,” he said.
Observers have noted that Fishback’s attempts to entice younger, more online portions of right-wing audiences are a microcosm of the growing rupture between Gen Z and older conservatives on the topic of Israel. Recent polls have indicated a collapse of support for Israel among young Republicans, with this portion of the party expressing more skepticism of providing military aid to the Jewish state. Large swaths of GOP voters under 30 have voiced vocal criticism of US support for Israel and the supposed influence of the America Israel Public Affairs Committee, a prominent pro-Israel lobbying group, in US politics.
Recent surveys have also shown a substantial rise of antisemitic views among younger cohorts of the Republican Party.