THEGREENGROK    Planetary Watch

A ‘Winners and Losers’ Shell Game in the Ocean

by Bill Chameides
Aug 29, 2013

Here's an update and a bit of good news on the ocean acidification front.

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New Climate Change Study: The Bad News and Almost Good News

by Bill Chameides
Jan 16, 2013

This is the latest in the story of black carbon.

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Global Warming, Arctic Sea Ice, and Climate Feedbacks

When it comes to Arctic sea ice, most of the attention has been on its extent — how much ocean does it cover. But a new study concludes that when it comes to climate, we should also be concerned with its age. (NASA)
by Bill Chameides
Apr 24, 2012

New study suggests that not all Arctic sea ice reflects the Sun’s energy the same.

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Global Warming: What Happens When You Factor Out the Other Factors

by Bill Chameides
Dec 14, 2011

Has the warming trend slowed in the 2000s? Yes and no.

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Climate Change in the Rearview Mirror

by Bill Chameides
Oct 11, 2011

You’ve heard about going to a particularly unpleasant place in a handbasket? Try this climate-change trip on for size.

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Hydrogen Economy on the March?

For hydrogen gas to be renewable it must be produced from renewable sources, as in this method of using proton exchange membrane electrochemical systems to split the hydrogen from water. Still, other issues surround hydrogen as an alt fuel. (NREL)
by Bill Chameides
Sep 28, 2011

New research advances hydrogen-energy technologies.

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Remember Those Himalayan Glaciers?

AX010 is a glaicer located in Nepal in a humid, low-altitude region of the Himalayas. Data show it has been receding for decades. (Cryosphere Research Laboratory, Nagoya University)
by Bill Chameides
Sep 1, 2011

Yes, those glaciers in the Himalayas are still there. But are they coming or going?

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A Bacterial Hat Trick: Tiny Organisms Subject of Three Papers

Elkhorn coral, so named because of its large, sturdy antler-like branches, was once the dominant coral species in the Caribbean but in recent years has been on the decline. A new study suggests a bacterium is playing a large role in its demise. (NOAA)
by Bill Chameides
Aug 26, 2011

Bacteria may be very small but they’re actually the most abundant organisms on Earth. And last week, they were the topic of at least three scientific papers.

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Global Warming in the 2000s: Pit or Pendulum?

by Bill Chameides
Aug 3, 2011

What happened to the climate over the past 10 years?

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Hydrofracking and Drinking Water Contamination?

Duke researchers, including Stephen Osborn, analyzed well water in the Marcellus Shale basin. While no evidence of contamination from fracking chemicals was found, they did find methane contamination of shallow drinking-water systems. (Rob Jackson)
by Bill Chameides
May 10, 2011

A smoking gun in the form of methane isotopes links the two.

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