Tagged: Global Warming

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All Things Considered
6:30 pm
Mon April 15, 2013

The Demographics Of Disagreement On Climate Change

Credit Larry Hamilton and Mary Stampone / Weather, Climate and Society 2013
Hamilton collaborated with the state climatologist Mary Stampone to determine how the temperature on the day that surveys were done effected the accuracy of respondents on climate knowledge questions. Democrats and Republicans were unaffected, but independents' answers varied widely, becoming more accurate the more out of whack the weather was.

  Last week the UNH Survey Center released the latest findings of the Granite State Poll. The Survey Center has been following a number of issues recently, the most high profile of which is whether or not there’s public support in New Hampshire for a proposed casino.

The Survey Center has also been part of a project looking at public attitudes about climate change – namely, why there’s a consensus among scientists – but not the public - that global warming is happening and caused by human activity.

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EarthTalk
12:00 am
Sun April 7, 2013

Global Warming Solutions

Credit iStock Photo

EarthTalk®
E - The Environmental Magazine

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Environment
3:00 pm
Tue January 29, 2013

Decarbonizing The Grid: Where Are We?

Credit Sam Evans-Brown / NHPR
Cellulose insulation is piped from a Bruss Construction trailer into the attic of an old, drafty home in Hopkinton, NH

New Hampshire’s energy grid relies heavily on fossil fuels like oil and coal, and getting the grid off of those fuels will be a major hurdle in addressing the challenge of global warming.

But here in New Hampshire, it’s proving a steep challenge to get carbon out of the electric supply, without breaking the bank for customers or utilities. But that doesn’t mean that people aren’t trying. As part of a weeklong look at New Hampshire’s Energy Future, we ask what’s being done about CO2?

Efficiency First

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EarthTalk
12:20 pm
Wed November 28, 2012

Deforestation and Global Warming

Credit iStockPhoto/Thinkstock
Cattle in a clear cut portion of the Amazon Rainforest.

EarthTalk®
E - The Environmental Magazine

Dear EarthTalk: Is it true that cutting and burning trees adds more global warming pollution to the atmosphere than all the cars and trucks in the world combined?                   -- Mitchell Vale, Houston, TX

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EarthTalk
2:22 pm
Fri November 2, 2012

Arctic Summer Sea Ice At Lowest Levels

Credit NASA/Goddard Scientific Visualization Studio
Satellite data reveal how the new record low compares to the average minimum extent over the past 30 years (in yellow).

EarthTalk®
E - The Environmental Magazine

Dear EarthTalk: I heard that the Arctic summer sea ice is at its lowest level since we began recording it. What are the implications of all this melting?]

-- Jo Shoemaker, Bowie, MD

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EarthTalk
11:10 am
Mon August 13, 2012

Is It Too Late to Avoid the Worst Impacts of Climate Change?

Credit 350.org
The amount of carbon dioxide (CO2) in the atmosphere today is roughly 390 parts per million (ppm), well above the 275 ppm it was before we started pumping pollution skyward during the Industrial Revolution.

EarthTalk®
E - The Environmental Magazine


Dear EarthTalk: I read that CO2 in our atmosphere is now more than 300 parts per million. Doesn’t this mean that we’re too late to avoid the worst impacts of climate change?      -- Karl Bren, Richmond, VA

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Environment
3:35 am
Thu April 5, 2012

Shake It Off: Earth's Wobble May Have Ended Ice Age

Credit Veronique Durruty / Gamma-Rapho/Getty Images
A wobbling of the Earth on its axis about 20,000 years ago may have kicked off a beginning to the end of the last ice age. Glaciers in the Arctic and Greenland began to melt, which resulted in a warming of the Earth, a new study says. Above, Greenland's Russell Glacier, seen in 1990.

The last big ice age ended about 11,000 years ago, and not a moment too soon — it made a lot more of the world livable, at least for humans.

But exactly what caused the big thaw isn't clear, and new research suggests that a wobble in the Earth kicked off a complicated process that changed the whole planet.

Ice tells the history of the Earth's climate: Air bubbles in ice reveal what the atmosphere was like and what the temperature was. And scientists can read this ice, even if it's been buried for thousands of years.

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