WHY NASA’S SO WORRIED THAT GREENLAND’S MELTING COULD SPEED UP...

 
In this July 19, 2011 photo, rows of pressure ridges stack up, foreground, before tumbling over the ever-collapsing calving 6-kilometer- (4-mile-) wide front of Jakobshavn Glacier and into the Ilulissat ice fjord, background, in Greenland. (AP Photo/Brennan Linsley) This story has been updated.

On Wednesday, NASA briefed the press on its “intensive research effort” into the rate and causes of sea level rise, releasing a suite of new graphics and visualizations showing how precisely the agency is measuring the upward creep of the oceans, currently at a rate of 3.21 millimeters per year.

 

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PARIS CLIMATE TALKS OUR LAST CHANCE, PACIFIC LEADERS SAY...

A community in Kiribati building a stone seawall at a coral atoll to protect its shore against a sea level rise

Pacific leaders said Monday that upcoming climate talks in Paris are the last chance for the world to reach an agreement that can save their vulnerable island nations.

 
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EARTH LOST HALF ITS TREES TO HUMANS...

Tree Density Map
A global map of tree density. Credit: Crowther, et al
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A new global census of all the trees on Earth estimates that more than 3 trillion call this "pale blue dot" home. But the total number of trees on the planet has dropped by almost 50 percent since human civilization began.

 

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SARAH PALIN: WHAT OBAMA MISSED ON HIS ALASKA TRIP...

 

Washington (CNN)Former Alaska Gov. Sarah Palin took issue with President Barack Obama's visit to her state, saying he missed some key points while in the region.

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HERE’S WHY THE NORTHEAST’S NEXT WINTER IS GOING TO BE FREAKISHLY COLD...

The eastern U.S. may see winter extremes—such as these human-size icebergs on Massachusetts' Cape Cod National Seashore in 2015—for the next few decades. (Photo: Dapixara/Twitter)

New research shows that vanishing Arctic summer sea ice—a consequence of global warming—may drive extreme winters in lower latitudes for decades to come.

 

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JULY 2015 IS OFFICIALLY HOTTEST MONTH ON RECORD. EVER!

 

Raging wildfires and apocalyptic smoke. Huge algal blooms visible from space turn seafood on the Pacific Northwest toxic. California’s drought. Alberta’s drought. Alberta’s floods.

There’s no doubt: it’s hot and weird out.

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THE COMING ERA OF UNLIMITED — AND FREE — CLEAN ENERGY...


Solar energy is ready for primetime. (Nicky Loh/Bloomberg)

In the 1980s, leading consultants were skeptical about cellular phones.  McKinsey & Company noted that the handsets were heavy, batteries didn’t last long, coverage was patchy, and the cost per minute was exorbitant.  It predicted that in 20 years the total market size would be about 900,000 units, and advised AT&T to pull out.  McKinsey was wrong, of course.  There were more than 100 million cellular phones in use in 2000; there are billions now.  Costs have fallen so far that even the poor — all over world — can afford a cellular phone.

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