Temperatures have soared globally this summer. And far from simply being uncomfortable, it’s killing people.

This past July 4 was one of the hottest in US history. While Americans gathered to celebrate the country’s 250th birthday, dozens died from extreme heat—and the toll may still rise. In Europe, which has seen its own devastating heatwave, some 3,700 people have died. And the heat has become so extreme in Pakistan that people’s teeth are literally dissolving in their mouths.

This is only the beginning of extreme heat this summer—and if we don’t stop the climate crisis, for the rest of time. Scientists are warning that this marks “uncharted territory” in rising temperatures.

The good news? We know the solution. To build a better world, with cheaper and cleaner energy, we have to phase out fossil fuels and transition to green energy. This process is easier and cheaper than ever. Some 90% of renewable energy is now cheaper than fossil fuels, and renewables don’t heat our planet the way that fossil fuels do.

As temperatures rise, we are now in a battle of people vs. fossil fuels.

The bad news? Fossil fuel companies, and the politicians who support them, are trying to block this transition. Companies like Exxon have known for over 50 years that fossil fuels cause climate change —and that rising temperatures would cost lives. But they’ve tried to bury this information, stall the transition, and deceive the public that fossil fuels aren’t responsible.

I’ve seen this play out firsthand.

When I was 17, I spent a sunny week in Dubai at the 28th United Nations annual climate conference (COP28). I was so excited to attend the conference. I met other activists passionate about renewable energy and taking down the fossil fuel industry. I even attended lobbying meetings with the lead US negotiators, Trigg Talley and Sue........

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