UN climate talks marred by decision-making spat

U.N. climate talks have hit a stumbling block that some delegates say poses a serious challenge to their already slow-moving attempt to craft a global response to climate change.

For solar pilot, human endurance is the sky's limit

Pilot Andre Borschberg oversaw the construction of a solar plane that can fly through the night, but these days the entrepreneur is more concerned with the limits of man than of technology.

Sorting plastic waste: A magnetic game

More than one third of the total plastic production in Europe—about 14 million tonnes per year—are polyolefins, also known as polyalkenes. This is a family of polymers used for the manufacture of a variety of products, ...

Obama acts to free up spectrum to ease crunch

US President Barack Obama moved Friday to free up more broadcast spectrum used by federal agencies to help meet the surging demand from smartphones and other mobile devices.

UCLA climate study predicts dramatic loss in local snowfall

By midcentury, snowfall on Los Angeles–area mountains will be 30 to 40 percent less than it was at the end of the 20th century, according to a UCLA study released today and led by UCLA climate expert Alex Hall.

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