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October Astronomical Highlights: Harvest Moon, Orionid Meteors
Four cosmic events to watch for this month
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astronomy
How to Act on Climate Change in a Post-Truth World
Veteran environment writer Elizabeth Kolbert sits down with Sierra
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climate change
Iconic, and Almost Extinct
Genetic rescue is controversial. It also could save the Torrey pine.
Meet the Hummingbird Whisperer
A UCLA geologist has turned her office into a hummingbird paradise
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science
Brewing Beer Into Bioplastics: An Oktoberfest Tale
Savvy brewers dream of a plastic-free future for six-packs
Last Pacific Coast Coal Terminal Nixed
Industry’s dream to export U.S. coal to Asia is dead
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coal
Puerto Ricans Face Uneasy Future After Hurricane Maria
Questions loom about damaged infrastructure and a coal ash landfill in Guayama
Can the Internet Save Snakes?
Intrepid snake lovers turn Twitter and Facebook into advocacy tools
Do Confederate Monuments Belong in National Parks?
Removing statues of secessionist heroes may not be so easy
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national parks
Study Finds Chemicals in Yellowfin Tuna Are Widespread
The extent of contamination varies by capture location, geography
Is Rock Climbing Bad for Cliffs?
Probably, says new research
Hawaii Leads on Climate in the Trump Era
The island state leads the way as regional governments take action
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climate change
Oil Drilling—Coming to a National Park or Monument Near You?
Former NPS officials and conservation groups mobilize to head off new leases
Who's to Blame for Climate Change?
New research builds evidence against a handful of culprits
Zinke Recommends Shrinking at Least Six National Monuments
Others could see management rules loosened, according to leaked documents
The Magazine of The Sierra Club