"Activist group Sea Shepherd on Tuesday pulled the plug on its annual campaign to disrupt Japanese whaling, saying it can no longer match the country's military and economic power."

"Agriculture has historically released almost as much carbon into the atmosphere as deforestation, a new study suggests — and that’s saying something."

"Research finds endangered Antarctic blue, fin and southern right whales struggling to recover despite hunting bans".

"When diving in the Gulf of Maine a few years back, Jennifer Dijkstra expected to be swimming through a flowing kelp forest that had long served as a nursery and food for juvenile fish and lobster. But Dijkstra, a University of New Hampshire marine biologist, saw only a patchy seafloor before her."

"A new study suggests warming sea temperatures could result in smaller fish sizes."

"In the 1980s, an ecologist named Thomas Lovejoy conducted an unusual experiment in Brazil’s Amazon rain forest. As loggers moved in with chain saws to clear trees for cattle pasture north of Manaus, he asked them to leave untouched several small “islands” of forest to see how the animals within them fared."

"The confiscation of the Chinese ship and arrest of its 20 crew in the Galápagos show just how hard it is to protect marine sanctuaries.""

"The world’s first treaty to protect the environment and human health in nearly a decade, the Minamata Convention on Mercury, enters into force today, committing its 74 Parties, including the United States, to reducing the risks to human health and the environment from the harmful release of mercury and mercury compounds."

"At a federal hearing Tuesday to decide whether domestic makers of solar panels need tariff protection from imports, members of the U.S. International Trade Commission focused much of their questioning on why these companies had failed as the overall solar market was booming."

"Our planet has never been warmer than it was last month, according to data released by NASA on Tuesday."