US sizzles in rare autumn heat wave

A freakish heat wave is making early autumn feel like the dog days of summer in much of the southern and eastern United States, with forecasters predicting that temperatures Wednesday could get close to triple digits.

How does climate change help to spread diseases?

Many vector-borne diseases are transmitted by mosquitoes. Mosquitoes are cold-blooded insects, which means that environmental conditions, in particular temperatures, regulate their metabolism, development and activity. For ...

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 ...

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