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I Was a Climate Activist. Here’s Why Net-Zero Leads to Disaster.
An 84-year-old woman burns book pages for a cooking fire during a blackout in Havana, Cuba, on March 21. (Stephanie Keith via Getty Images)
Blackouts, stagnation, and even hunger—all of that could await if we shift to 100 percent renewable energy before the technology is ready.
By Lucy Biggers
04.02.26 — U.S. Politics
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It appears Cuba has reached net-zero carbon emissions faster than any other country in the world. The transition is complete with blackouts, economic collapse, and widespread despair. Ten years ago, this is something I would have championed.

Back then I was in my 20s, working as a climate journalist and influencer. I covered pipeline protests, pushed the Green New Deal, and repeated slogans like “Just stop oil” and “Keep it in the ground.” I believed I was on the right side of history, fighting against the climate crisis, and for a more just and equitable world.

Now as I watch Cuba suffer from its lack of Venezuelan oil, and see the panic over the Strait of Hormuz, I’m reminded of the importance of oil and why despite spending trillions of dollars in an attempt to transition to renewables, oil, coal, and natural gas still produce 86 percent of the energy consumed around the world.

You might read this and think: Well, obviously fossil fuels are irreplaceable. But I can tell you from experience that is not how young people in the climate movement think.

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Lucy Biggers
Climate Activist turned Climate Realist, Head of Social Media @TheFreePress
Tags:
Climate
Cuba
Environment
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