"Scientists in the emerging field of conservation paleobiology believe that the key to oyster conservation could be contained in ancient shells."

"PORTLAND, Ore. — Federal prosecutors today told a jury that the leaders of the armed standoff at the Malheur National Wildlife Refuge earlier this year 'moved as a military force.'"

"Federal Judge Ann Aiken heard from attorneys Tuesday in a case that 21 young people have brought against the Obama Administration over climate change.  the audience for the hearing overflowed into two other rooms at the Eugene Federal Courthouse and in courtrooms in Portland."

"The effects of climate change endanger U.S. military operations and could increase the danger of international conflict, according to three new documents endorsed by retired top U.S. military officers and former national security officials."

"Sen. Bernie Sanders called on President Obama to take action against the controversial Dakota Access oil pipeline during a protest outside the White House on Tuesday with members of the Standing Rock Sioux Tribe and other tribal nations."

"The sugar industry paid scientists in the 1960s to play down the link between sugar and heart disease and promote saturated fat as the culprit instead, newly released historical documents show."

"A federal court on Friday faulted U.S. EPA for releasing hundreds of pages of documents containing personal information of owners of livestock operations."

"Letter from nine legal scholars says Rep. Smith's subpoenas of state attorneys general and organizations were 'invalid and constitutionally impermissible.'"

"Royal Dutch Shell has started production at the world’s deepest underwater oil and gas field, 1.8 miles beneath the sea surface in the Gulf of Mexico."

"As the United Nations General Assembly converges in New York on Tuesday, Secretary General Ban Ki-moon is using the gathering of world leaders to rush the 2015 Paris climate change accord into legal force this year, hoping to bind all countries to its strictures for at least the next four years — regardless of the outcome of the presidential election in the United States."