Humans ignite almost every wildfire that threatens homes

Summer and fall are wildfire season across the western U.S. In recent years, wildfires have destroyed thousands of homes, forced hundreds of thousands of people to evacuate and exposed tens of millions to harmful smoke.

Systems analysis for a new Arctic

The Arctic region has long been seen as one of the Earth's most remote frontiers. However, the Arctic is changing quickly, which is important in global governance, geopolitics and the global economy. Temperatures have warmed ...

How climate change is driving emigration from Central America

Clouds of dust rose behind the wheels of the pickup truck as we hurtled over the back road in Palo Verde, El Salvador. When we got to the stone-paved part of the road, the driver slowed as the truck heaved up and down with ...

UN report on oceans, frozen zones: the facts

Humanity should brace itself for some serious blowback over this century and beyond from the oceans and Earth's frozen zones, known as the cryosphere, according to the draft of a major UN report obtained by AFP.

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