Obama: Keystone pipeline must not add to global warming

President Barack Obama signaled Tuesday that the Canada-US Keystone XL oil pipeline will be approved only if it does not increase emissions of the greenhouse gases that contribute to global warming.

Image: Fires in the Yucatan Peninsula

Dozens of red hot spots cluster at the tip of Mexico's Yucatan Peninsula. To the south, fires also speckle the neck of the Yucatan, Guatemala, and Belize. Each hot spot, which appears as a red mark, is an area where the thermal ...

A shocking (and hot!) tip for preserving produce

Nothing is more frustrating than finding the perfect cucumber or head of lettuce at the farmers market, paying top-dollar for it, and then... tossing it out a week later when it has gone moldy or slimy in the refrigerator.

Warm springs may be best winter refuge for Florida manatees

Natural warm water springs may offer the best protection to Florida manatees trying to survive cold winter periods, according to research published Mar. 20 in the open access journal PLOS ONE by David Laiast of the Marine ...

Panasonic trims Ene-Farm fuel cell size and price

(Phys.org)—This month, Panasonic and Tokyo Gas announced the launch of their newest Ene-Farm home fuel cell, a product that residents can use to generate energy right from their homes. This is a smaller, cheaper, and efficient ...

Competing to create a more energy-efficient air conditioner

A University of California, Davis, challenge to build more energy efficient air conditioning has spurred a major global manufacturer to build a rooftop air conditioner that is 40 percent more energy-efficient than conventional ...

From lake to land, in a land of lakes

(Phys.org) -- What animal can see only a limited distance, has no top front teeth, and prefers shady, wet areas such as bogs and marshes?

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