"Two billion years ago, around the time atmospheric oxygen levels were rising, one cell engulfed another, and instead of becoming lunch, the ingestee became an Earth-changer and, eventually, a vital part of you: mitochondria."

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

"Dramatic warming at the end of the last ice age produced an intense rise in sea level and a massive ice sheet collapse in the Antarctic.

The sea level rise is known as Melt-Water Pulse 1A, and new research indicates it increased sea level by about 45 feet (14 meters) sometime between 14,650 and 14,310 years ago, during the same time as a period of rapid climate change known as the Bølling warming.

Understanding the impacts of earlier warming and sea-level rise is important for predicting the effects of future warming."

"A major new study has quashed fears that onshore windfarms are causing long-term damage to bird populations, but found new evidence that some species are harmed when windfarms are built."

"LONDON -- The oil market has broken a two-year cycle of tightening supply conditions, the International Energy Agency said Thursday, as demand softens and Saudi Arabia increases output in response to tensions with Iran."

"More than 20 American companies have played roles in fostering a steady flow of illegal hardwoods from the Peruvian Amazon, part of a 'well-oiled machine that is ransacking Peru’s forests and undermining the livelihoods and rights of the people that depend on them,' according to a new report by the Environmental Investigation Agency, a watchdog group."

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

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"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.

"An 8.7 magnitude earthquake struck off Indonesia on Wednesday, sending residents around the region scurrying from buildings and raising fears of a huge tsunami as in 2004, but authorities said there were no reports suggesting a major threat."

"CORVALLIS, Ore. -- Across the Northern Hemisphere, populations of moose, deer, and other large herbivores now far exceed their historic levels and are disrupting ecosystems, finds a new survey on the loss of large predators, particularly wolves."

"Department of Energy invested millions to develop cutting-edge technology to power electric vehicles, but that know-how is now in foreign hands"