Cooler states now forced to grapple with extreme heat

As temperatures soared into the 90s, the heat and humidity hit the concrete in Astoria, Queens, and bounced into the air. People moved along the scorched sidewalk slowly, their clothes drenched with sweat.

Air quality alerts are a climate change alarm

The sky over Minnesota was the subject of fascination and frustration over the weekend. Awe over solar-storm triggered northern lights turned to "Aw, not again!" over an air quality alert sparked by smoke drifting from wildfires ...

UN warns against thirsty tech to solve water crisis

The world needs to better manage its freshwater resources but thirsty new technologies touted as solutions could lead to "serious problems" if left unchecked, a UN report warned Friday.

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