Methane, Soot Are Targets Of New U.S. Climate Initiative

The United States and five other nations are embarking on a new program to limit pollutants connected to global warming. But they’re not targeting carbon dioxide with this effort — instead, they’re looking at methane gas, and soot.

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New USDA Map May Mean Earlier Planting In North

A new map from the USDA has some northern gardeners hoping to grow plants that used to be considered too fragile for cold weather zones. The hardiness zone chart is about a half zone warmer than the last one issued in 1990. The USDA says the changes are not due to global warming, but to more sophisticated mapping methods. Seed sellers and buyers say that, whatever the reason, the warmer temperatures expand possibilities for planting this spring.

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Calif. Low-Carbon Fuel Standard Blocked In Court

A federal judge says the rules favor biofuels produced in the state. The California Air Resources Board adopted the first-in-the-nation mandate as part of the state’s landmark 2006 global warming law.

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Climate Conference Goes Into Overtime

Negotiators from 194 nations worked straight through a second night, parsing drafts and seeking compromises to map out the future pathway to fight global warming. Delegates, working on little sleep, huddled with allies to prepare for a decisive meeting later Saturday.

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Air Pollution: Bad For Health, But Good For Planet?

In addition to carbon dioxide, power plants also spew chemicals like nitrogen and sulfur into the air. This complicated soup actually offsets some global warming by reflecting sunlight into space and pulling carbon dioxide from the air. But the long-term effects of reducing these emissions aren’t fully understood.

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Scientists Say Texas Agency Edits Out Climate Change

Scientists and conservationists accuse the state environmental agency of editing references to climate change and sea level rise out of a public report — because the agency, like Gov. Rick Perry, is skeptical of global warming.

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In Their Own Words: GOP Candidates And Science

Jon Huntsman’s recent tweet — “I believe in evolution and trust scientists on global warming. Call me crazy” — made him an outlier in the Republican field. In advance of Wednesday’s GOP debate, we compiled the candidates’ recent statements on climate change and evolution.

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In Their Own Words: GOP Candidates And Science

Jon Huntsman’s recent tweet — “I believe in evolution and trust scientists on global warming. Call me crazy” — made him an outlier in the Republican field. In advance of Wednesday’s GOP debate, we compiled the candidates’ recent statements on climate change and evolution.

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Nitrogen Study Could ‘Rock’ A Plant’s World

All plants need nitrogen to grow, and a new study says some plants get this nutrient from a surprising source. Conventional wisdom believes nitrogen for plants starts in the air and is converted by microbes in the soil into a usable form. But a report in the journal Nature finds that some nitrogen comes directly from rock. This discovery has implications for global warming.

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Will Global Warming Cause More Extreme Weather?

As the country continues to bake in record-breaking heat, and in this year of weather extremes, people want to know: Is this all part of an ominous climate change? Host Scott Simon speaks with NOAA meteorologist Martin Hoerling about the situation.

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