President Trump has rapidly pulled the U.S. out of the fight against climate change, fired scientists, rolled back regulations and gutted the nation’s largest-ever law to address climate change. That has left climate activists reeling. Abigail Dillen, president of Earthjustice; Manish Bapna, president of the Natural Resources Defense Council; and Bill McKibben, an author and activist, talk with Cara Buckley about what has worked — and failed — in the climate movement.

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As climate change accelerates, its consequences are reshaping global security. At the Climate Forward live event, Jake Sullivan, President Joe Biden’s national security adviser, said the Trump administration’s climate policies could pose a national security threat to the United States.

This risk is already real to many in the military, he said. “Any man or woman with stars on their shoulders or general officers,” Sullivan said, “and they will tell you the climate crisis is real and has an operational impact on them.”

In a conversation with Helene Cooper, Sullivan discussed about how climate change was shaping the U.S. competition with China and how a rapidly warming planet was creating new threats, from growing food insecurity in developing nations to transforming the battlefields of the future.

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At the Climate Forward live event, Melanie Nakagawa and Kate Brandt, the chief sustainability officers at Microsoft and Google, discussed how the boom in artificial intelligence was affecting their companies’ goals to achieve net-zero emissions or better by 2030.

The industry is building out data centers at a breakneck pace, which has led to a rise in technology companies’ emissions in recent years. What will it take to power the A.I. revolution without further fueling the climate crisis? Nakagawa and Brandt discuss their companies’ investments in nuclear energy, carbon capture and other clean energy technologies.

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Gov. Gavin Newsom of California, a Democrat, runs a state that is in the middle of several high-stakes court battles against the Trump administration, including over its rollback of automobile emission standards and other moves.

But California has also experienced a wave of climate-driven natural disasters and rising home insurance prices. In a conversation with David Gelles, Newsom discussed the Los Angeles fires, the state’s rapidly changing climate and why he calls President Trump’s recent speech to the United Nation’s General Assembly “an abomination.”

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As energy secretary under President Trump, Chris Wright, a former fracking executive, has helped to shape an energy agenda defined by deregulation and fossil fuel expansion.

In a conversation with David Gelles, Mr. Wright explained why he would “absolutely” like to see countries follow the lead of the United States under the Trump administration and withdraw from the Paris Agreement on climate change. Wright also forcefully defended the Trump administration’s crackdown on wind and solar power, claiming that there was a “fever pitch” of opposition around the country to the technologies.
 

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Few people in the world are more responsible for climate change being part of the public discourse than former Vice President Al Gore, a recipient of the Nobel Peace Prize for his environmental activism. But, as President Trump has swiftly pulled the U.S. away from the global fight against climate change, the future of the movement is uncertain. In a frank conversation with David Gelles, Gore talks about the future of the battle to save our rapidly warming planet.

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