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In early 2029, Earth will likely lock into breaching key warming threshold, scientists calculate

A new study says that in a little more than five years the world will likely be unable to stay below the internationally agreed temperature limit for global warming if it continues to burn fossil fuels at its current rate.

How air pollution heats and cools the planet

Some types of air pollution slow global warming — but at the cost of millions of deaths a year.

By fighting the ozone hole, we accidentally saved ourselves

With the Montreal Protocol, life on Earth dodged a bullet we didn’t even know was headed our way.

How wildfire smoke from Australia affected climate events around the world

New research implicates emissions from the 2019-2020 Australian fires in the emergence of a three-year super La Niña that fueled droughts in Africa and hurricanes in the Atlantic.

One of climate change’s great mysteries is finally being solved

For over a decade, the largest scientific uncertainty about how the planet will respond to warming temperatures has come from clouds.

Tiny aerosols pose a big predicament in a warming world

Fossil fuels are rapidly heating the planet, but their aerosols also help cool it. Just how much, though, is a major uncertainty in climate science.

Aerosols: Do they make more or brighter clouds?

A volcanic eruption in Iceland has resulted in some scientists rethinking the impact of aerosols on climate change and global warming.
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