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Famous Cave Paintings Might Not Be From Humans

The eerie stencil paintings of human hands in Spanish caves might not be from humans at all. New dating methods of the paintings suggest some of the cave art is more than 40,000 years old and could have been drawn by Neanderthals.
NPR

Colo. Fire Now One Of The Biggest In State History

Colorado's High Park Fire northwest of Fort Collins has topped 46,000 acres, making it one of the largest wildfires in the state's history. It's also destroyed more than 100 buildings. But firefighters are beginning to gain ground and have started containing the blaze.
NPR

Climate Change May Spark More Wildfires In Future

A new study shows that in coming years, the frequency of wildfires will increase because of climate change. Audie Cornish talks to Max Moritz, lead author of the study at University of California-Berkeley.
NPR

Thinner Arctic Ice Sparks Massive Algae Bloom

When scientist Kevin Arrigo set out to lead a joint Stanford University-NASA expedition into the Chukchi Sea between Russia and Alaska, he believed the ecosystem below the Arctic pack ice was a watery desert. What he found under the ice though was an algae bloom spanning at least 60 miles. He talks with Audie Cornish about the discovery.
NPR

Under The 'Nuclear Shadow' Of Colorado's Rocky Flats

Kristen Iversen spent her childhood in the 1960s in Colorado near the Rocky Flats nuclear weapons factory, playing in fields that now appear to have been contaminated with plutonium. In Full Body Burden, she investigates the environmental scandal involving nuclear contamination around her childhood home.
WAMU 88.5

D.C. Students Learn Value Of Composting

Some students say a new composting program at D.C. schools is helping transform yesterday's trash into a greener future.

NPR

A Damned Dam On The Penobscot River

Conservation groups, Native Americans and Maine's power company fought over the fate of the Penobscot River for 13 years. They finally reached an agreement that should preserve hydropower while improving the river's environmental and recreational offerings.

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