"From 2004 to 2011, American and Iraqi troops repeatedly encountered, and at times were wounded by, chemical weapons that were hidden or abandoned years earlier."

"A decades-long quest to save the north Atlantic right whale is helping revive a species that is a bellwether of the health of the oceans."

"As concerns mount over people’s exposure to the plasticizer bisphenol A in everyday products, it’s also contaminating the air near manufacturing plants: U.S. companies emitted about 26 tons of the hormone-disrupting compound in 2013."

"Recent analyses raise disturbing questions about the health and environmental effects of the stuff that encases our edibles."

"The Pentagon on Monday released a report asserting decisively that climate change poses an immediate threat to national security, with increased risks from terrorism, infectious disease, global poverty and food shortages. It also predicted rising demand for military disaster responses as extreme weather creates more global humanitarian crises."

"At the annual SXSW Eco, a conference in Austin, Texas, you'll find a lot of serious discussion of the rapid decline of the Earth's ecosystems."

"Fewer than half of American states are working to protect themselves from climate change, despite more detailed warnings from scientists that communities are already being damaged, according to a new online clearinghouse of states’ efforts compiled by the Georgetown Climate Center."

"It’s not that researcher Paul Cryan set out to prove the old saying, 'blind as a bat.' It just seems that way."

"A little-known federal office that has long been a thorn in the side of regulatory reform advocates is taking center stage in the battle over a controversial water regulation."

"The Obama administration is preparing to unveil an air pollution rule shortly after the midterm elections that could be among the most costly and controversial in history."