"Greenpeace released its latest report today asking, 'How clean is your cloud?' The annual report examines the server farms built by the largest Internet companies -- including Amazon, Apple, Facebook, Google, Microsoft and Yahoo -- and ranks them according to how efficient their cloud facilities are, and where they get their electricity."

The New York Times' Felicity Barringer interviews Sierra Club head Michael Brune about environmental politics, money, and President Obama.

"President Barack Obama will receive endorsements Wednesday from the Sierra Club, League of Conservation Voters, Clean Water Action and Environment America, according to an environmental political operative and a House Democratic source."

"Six individuals [were] honored Monday at the San Francisco Opera House for their efforts to conserve their local environments and ways of life."

"Investors group will vent its displeasure during AGM by voting against £4.6m remuneration package for chief executive"

----

"A substantial pay revolt will be mounted by shareholders at the annual general meeting of BP on Thursday following the board decision to give more than £4m remuneration to chief executive, Bob Dudley, despite a depressed stock price.

A group of investors will vote in protest against acceptance of this part of the company's remuneration report, emboldened by a negative recommendation from the shareholder advisory body Pirc.

"Local activists say national groups, focused on renewable energy, ignore projects' threat to the Mojave."

"Eleven environmental organizations are suing the U.S. Environmental Protection Agency to force it to better regulate toxic coal ash and citing recent groundwater contamination at 29 coal ash dump sites in 16 states, including two in Western Pennsylvania."

"Peter Kareiva had come to answer for his truths. Settling at the head of a long table ringed by young researchers new to the policy world, Kareiva, chief scientist of the Nature Conservancy, the world's largest environmental organization, cracked open a beer. After a long day mentoring at the group's headquarters, an eight-story box nestled in the Washington, D.C., suburbs, he was ready for some sparring."

"Using a canoe or her 10-foot-Zodiac boat, Martha Jordan has scooped up hundreds of sick or dead trumpeter and tundra swans from Judson Lake in northwestern Washington state, the site of one of the worst known cases of lead poisoning among wildlife."