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September 26, 2012 — Whether exploring dark, wet caves in Colorado or crossing paths with Montana's grizzlies, a dedicated band of scientists and volunteers is determined to solve the mystery of one of the most elusive birds on earth. 

July 20, 2012 — The South American country ups the ante on a unique plan to save Yasuní National Park, a haven for tropical birds.

May 16, 2012 — Clipping into a zipline and flying through the canopy of a West Virginia hardwood forest gives thrill seekers a decidedly different perspective on their favorite birds. 

May 11, 2012 — Here's to the mothers that keep it together, no matter how wild things get.

May 08, 2012 — On the 50th anniversary of Silent Spring’s publication, a best-selling historian shows the extent to which John Kennedy and his administration defended Rachel Carson’s controversial work against the chemical industry’s onslaught.

April 23, 2012 — America may be coming to grips with the dark side of our cheapest, most abundant energy source, but a plan to unload it on Asia threatens to poison our planet.

April 17, 2012 — The follow-up to Carson’s work, Since Silent Spring, cemented its reputation as a classic. 

March 27, 2012 — For the first time ever the EPA is imposing greenhouse gas emissions limits on power plants, the largest driver of climate change.

March 08, 2012 — Despite new regulations, snakes in Florida continue to cause destruction.

February 15, 2012 — Nationwide, coal-fired power plants appear to be on the way out. But in southwest Arkansas—next to some of the finest fish and wildlife habitat anywhere—one may be on the way in.