Dramatic photos: California residents wake up to raining ash and smoke-filled skies

Others around the Bay Area also documented hazy horizons, red suns and gray skies -- all the result of the raging wildfires burning around California, which as of this week had scorched a record-setting 2.3 million acres of earth.

'Sickening': Firefighter has wallet stolen, bank account drained during Santa Cruz fire fight

Cal Fire Operations Chief Mark Brunton called the act "saddening" and said it's the last thing crews should have to experience while they're battling out of control fires with limited resources. 

Ancient redwoods survive wildfire at California’s oldest state park

“But the forest is not gone,” Laura McLendon said. “It will regrow. Every old-growth redwood I’ve ever seen, in Big Basin and other parks, has fire scars on them. They’ve been through multiple fires, possibly worse than this.”

In just a week, wildfires burn 1 million acres in California

Danger loomed with the threat of thunderstorms and lightning forecast for Sunday that could spark new fires and overwhelm firefighters battling hundreds of fires throughout the state.

Greenland lost 586 billion tons of ice in record melt last year

“Not only is the Greenland ice sheet melting, but it’s melting at a faster and faster pace,” said study lead author Ingo Sasgen, a geoscientist at the Alfred Wegener Institute in Germany.

Fish returning to Chicago River in droves
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Shedd Aquarium biologist Austin Happel explains why the Chicago River is seeing a resurgence of fish.

Canada's last intact ice shelf collapses due to warming

Canada's 4,000-year-old Milne Ice Shelf on the northwestern edge of Ellesmere Island had been the country's last intact ice shelf until the end of July when ice analyst Adrienne White of the Canadian Ice Service noticed that satellite photos showed that about 43% of it had broken off.

Fires in Amazon rainforest up 28% compared to a year ago

This July, there were 6,803 fires in Brazil's Amazon rainforest, an increase of 28% over July 2019. People are even more worried about August, because last August, 30,900 fires were reported.

Researchers say greenhouse gas emissions are helping push polar bears toward extinction by 2100

In conjunction with greenhouse gas emissions, “steeply declining reproduction and survival will jeopardize the persistence of all but a few high-Arctic subpopulations by 2100,” a recent report states.

EPA looking to take East Chicago homes off toxic Superfund list

The U.S. Environmental Protection Agency wants to remove hundreds of once-contaminated East Chicago properties from its National Priorities List to spur development in the northwestern Indiana city that could potentially qualify homes for interior lead abatement.

Dangerous smog over Chicago creates looming health threat

“Ozone pollution they say is like a sunburn on your lungs. So it can actually burn and irritate your lungs, make it difficult to breathe, makes you cough," Thompson said.