The Sumatran elephant subspecies (Elephas maximus sumatranus) was downgraded to critically endangered on IUCN's Red List of Threatened Species on Tuesday, prompting environmental group WWF to call for an immediate moratorium on destruction of its rainforest habitat, which is being rapidly lost to oil palm estates, timber plantations for pulp and paper production, and agricultural use.

The aviation industry and federal government are closing in on deals to build the United States' first commercial-scale sources of jet biofuel, a move considered critical to cutting the sector's emissions.

Over the past three years, several airlines have already flown demonstration flights with biofuel blended into their conventional jet fuel. Engineers and regulators have also studied several biofuels and confirmed they are safe for flying, when blended with regular fuel.

One of the most crowded and polluted cities on the planet, Dhaka might not seem like a place for a massive new clean development. And yet, Green Leaf--a new “sustainable garden city”--is currently under construction there.

Global brands including IBM, Coca-Cola, Boeing and Walt Disney have joined forces to form a sustainability council that will explore innovative solutions for materials recovery, water and energy usage.

Britain's first marine energy park will be developed in the south west of the country, in a bid to speed up the commercial expansion of the wave and tidal industry from 2020, the UK government said on Monday.

If a tree falls in Boulder, will it hit a hybrid electric vehicle?

It's not that likely, in the big picture of things. But on the other hand, it's about five times more likely in Boulder than in your average U.S. town.

India is known for setting ambitious development goals and then missing them by a margin that might be laughable if it weren’t so serious. Case in point: Seven years ago, the slogan ‘Power for All by 2012,’ became national policy. Today, India has 288 million people living without electricity access, according to a November 2011 International Energy Agency report.

ABU DHABI, United Arab Emirates -- His Highness General Sheikh Mohammed bin Zayed Al Nahyan, Crown Prince of Abu Dhabi and Deputy Supreme Commander of the UAE Armed Forces, today presented the prestigious 2012 Zayed Future Energy Prize to 3 winners and 2 runners up at the awards ceremony held in Emirates Palace.

Abu Dhabi government-owned green energy firm Masdar plans to invest jointly with Development Bank of Japan in solar and wind projects in OECD countries as part of a strategy to diversify the energy mix through renewables.

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