Enn Original News

NASA Monitors the 'New Normal' of Sea Ice
August 23, 2016 07:33 AM - Maria-José Viñas and Kate Ramsauer, NASA

This year’s melt season in the Arctic Ocean and surrounding seas started with a bang, with a record low maximum extent in March and relatively rapid ice loss through May. The melt slowed down in June, however, making it highly unlikely that this year’s summertime sea ice minimum extent will set a new record.

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Giant forest fires exterminate spotted owls
August 3, 2016 07:17 AM - University of Wisconsin-Madison

As climate changes and wildfires get larger, hotter and more frequent, how should public lands in the American West be managed to protect endangered creatures that, like the spotted owl, rely on fire-prone old-growth forests?

Could periodic forest thinning and prescribed burns intended to prevent dangerous “megafires” help conserve owls in the long run? Or are those benefits outweighed by their short-term harm to owls? The answer depends in part on just how big and bad the fires are, according to a new study.

In a report published Aug. 1 that may help quiet a long-simmering dispute about the wisdom of using forest thinning and prescribed burns to reduce the “fuel load” and intensity of subsequent fires, a University of Wisconsin—Madison research group has documented an exodus of owls following the fierce, 99,000 acre King Fire in California in 2014.

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SPOTLIGHT

California Condor Population Reaches New Heights

Karen Klein, Yale Environment 360

After years of intense — and often controversial — restoration efforts, biologists are finally reporting some good news for the beleaguered California condor: More chicks are surviving in the wild, and the birds are becoming increasingly independent and expanding their range.

Earlier this year, the U.S. Fish and Wildlife Service announced what it called a milestone for the California condor: More chicks had hatched and fledged in the wild during 2015 than the number of condors that had died. In late March, Steve Kirkland, the agency’s condor field coordinator, reported that two more chicks had fledged in 2015 in Baja California, but had only just been discovered, bringing the total in the wild to 270.

It was perhaps the most promising news about the condor in decades.

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