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Half of life could go extinct by century's end, warn eminent biologists

Edward O. Wilson and Peter H. Raven predicted dire consequences for the planet's biodiversity and habitability unless current trends in consumption and environmental degradation are reversed.

Tesla shares sink below original offering price

After an impressive debut, Tesla Motors shares have sunk below their original initial public offering price of $17 per share.

Solar car travels around the world

On December 4, 2008, a solar car, developed by scientists at Swiss universities, ended its journey of traveling around the world at the United Nations climate talks in Poznań, Poland. Yvo de Boer, the Executive Secretary of the UN Framework Convention on Climate Change, rode into Poznań in the vehicle, along with schoolteacher Louis Palmer.

Obama declares tougher emission targets before Copenhagen summit

Barack Obama has set tougher emission targets in a White House speech. He said, the USA intends to reduce its greenhouse gas emissions "in the range of" 17 percent below 2005 levels by 2020 and 83 percent by 2050. Obama will attend the Copenhagen international climate meeting next month, and is going to offer these figures as an official climate change policy.

Former Formula 1 designer unveils new electric car

Former Formula One McLaren designer Gordon Murray has unveiled a new all-electric car.

European Retailers Adopt Voluntary Sustainable Business Code

I have to bite my tongue when I hear people claim how progressive Europe is when it comes to sustainability and consumerism. Take Amsterdam, where in May I worked and traveled for two weeks. True, bicycles are everywhere, public transport works, and you can find great locally grown food. But step into an Albert Heijn supermarket, and you will see that the capital of tulips and bicycles is also the capital of processed food, over-packaged in plentiful plastic.

High Above the Earth, Satellites Track Melting Ice

The surest sign of a warming Earth is the steady melting of its ice zones, from disappearing sea ice in the Arctic to shrinking glaciers worldwide. Now, scientists are using increasingly sophisticated satellite technology to measure the extent, thickness, and height of ice, assembling an essential picture of a planet in transition.

Hopes for treaty on climate begin to wither

International climate negotiations for a global climate treaty are not producing the required results in the given amount of time left before the Copenhagen conference in December, diminishing the hopes for a resolution at this conference.

Elves and Sprites

Upper atmospheric lightning or upper atmospheric discharge are terms sometimes used by researchers to refer to a family of electrical breakdown phenomena that occur well above the altitudes of normal lightning. The preferred current usage is transient luminous events (TLEs) to refer to the various types of electrical discharge phenomena in the upper atmosphere, because they lack several characteristics of the more familiar lower atmospheric lightning. TLEs include red sprites, sprite halos, blue jets, gigantic jets, and elves.

UN scientist: Eat less meat to tackle climate change

Rajendra Pachauri, the chair of the UN-run Intergovernmental Panel on Climate Change (IPCC) has said that eating less meat is a good way to reduce damage to the climate.