Environment

Pakistan under water: The view from 438 miles above Earth

NASA has released images of one especially hard-hit region of Pakistan from before and after the monsoons, from 438 miles above the Earth.

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  The new ice island

Did global warming cause the runaway glacier?

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Texas sues BP over huge toxic release at Texas City refinery

The state attorney general has charged BP with the “unlawful” release of toxic chemicals at its refinery in Texas City. The incident took place just two weeks before the start of the Gulf oil spill.

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  An ocean of plastic

Plastic from around the world converges in a whirling gyre known as the Great Pacific Garbage Patch. Nowhere is the impact of this floating landfill clearer than on the Midway Atoll, where albatross go to nest.

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  Skepticism vs. denial about climate change

A NASA climatologist helps separate fact from fiction.

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  Gulf update: The toll on Grand Isle

Need to Know follows up on a previous report and travels to Grand Isle, Louisiana, to see how residents there are coping with the Gulf oil spill, more than 100 days after it began.

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  Living large: A look inside the tiny house movement

Need to Know visited one of the leaders of the “tiny house” movement, Dee Williams, who lives in a simple but stylish 84 square-foot home in Olympia, Washington.

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  Living the tiny life

From Washington State to Texas and beyond, tiny house are popping up (or rolling up) all over the place. Here’s a sampling.

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  Finding a home for big solar

Many large-scale renewable energy projects are meeting unexpected opposition from environmentalists concerned about their impact on wildlife.