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Pope Francis Calls For Urgent Action On Climate Change In Encyclical

Pope Francis blames climate change on apathy, political shortsightedness and a pursuit of profits. In a papal encyclical, he calls climate change one of the principal challenges facing humanity today.

In Search Of Edible Weeds: Adventures In Urban Foraging By App

An expert forager has a video and an app for finding weeds to make the ultimate locally grown salad. But even a master foraging app might not lead an amateur to success.
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D.C. Introduces Cap And Trade System To Keep Dirty Water Out Of Local Streams

"Cap and trade" is traditionally thought of as a program designed to reduce air-based pollution. But D.C. is also using the system to keep dirty runoff from flowing into local rivers.

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How DC Water Is Trying To Turn Sewage Into Fertilizer For Your Food

Can the stuff we flush be re-used as fertilizer? Some say yes; others argue the risks aren't worth the benefit.


Pope Francis: Climate Change A 'Principal Challenge' For Humanity

In a major encyclical, the pontiff calls on humanity to acknowledge a "sense of responsibility" for the Earth and said it was time to stop "masking problems."

Gambler-Turned-Conservationist Devotes Fortune To Florida Nature Preserve

M.C. Davis made millions gambling and buying up land and mineral rights. Now, he's restoring ecosystems destroyed by agriculture and timbering in his private preserve, one of the largest in the U.S.

Leaked Encyclical Highlights Growing Resistance To Pope's Reform Agenda

A draft of Pope Francis' encyclical on climate climate change was leaked Wednesday before its scheduled release.

Red Crabs Invade Southern California Beaches In Search Of Warm Water

Due to warm ocean temperatures, tens of thousands of red crabs are invading beaches in Southern California.

To Tackle Food Waste, Big Grocery Chain Will Sell Produce Rejects

If fruits and vegetables don't measure up to cosmetic standards, they're often plowed under in the field. One company wants to help change that by creating a market for less-than-perfect produce.

NASA Satellites Show World's Thirst For Groundwater

New data suggest that many regions in the world are overusing their underground water supplies. And researchers aren't sure how much remains.