Amazon’s artificial intelligence ambitions will soon be partly fueled by a natural gas-burning power plant in Texas that “could become the largest single source of climate pollution in the United States,” The New York Times reported.

These gas-burning plants are increasingly lumped into data center projects. They produce harmful pollutants, which can accelerate climate change impacts and harm public health—contributing to conditions like asthma, heart disease, lung cancer, and strokes. Some communities are demanding more stringent environmental reviews, but the Trump administration favors fast-tracking that can include skipping the permitting process entirely.

Since Elon Musk’s xAI controversially began relying on gas turbines last spring to power its biggest AI data center, Colossus, there has been public backlash to off-the-grid data centers like the one Amazon is building.

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The ban on ozone-depleting substances that successfully reversed the growth of the hole in the ozone layer isn’t seen as a missed opportunity. On the contrary, the quick global response is one of the best cases of common-sense environmental action. But what if it could have been done even earlier?

The fact that chlorofluorocarbons (CFCs)—chemicals once common in aerosol cans and refrigerant loops—could destroy ozone in the atmosphere was discovered in 1974. Within just a few years, bans on CFCs began to roll out based on the projected consequences. The seasonal ozone “hole” discovered over Antarctica in 1985 pushed things along even faster, and in 1987 an international agreement was signed to phase out CFCs everywhere.

A new study led by Jian Guan at MIT asks an interesting what-if question: Would it have been possible to detect this problem even sooner with today’s scientific tools?

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