Global Warming25
-
From Distant Past, Lessons on Ocean Acidification
Oceans turned more acidic during a period of great warming some 56 million years ago, causing an extinction of bottom-dwelling marine species known as foraminifera, a scenario that may be happening again now, only much more quickly.
-
High Hopes and Low Expectations for 17th UN Climate Change Conference
Numerous please for comprehensive action aimed at the 17th United Nations Climate Change Conference in Durban, South Africa have been issued. However, many doubt that meaningful policies will be passed and have criticized the United States’ position in these talks.
-
Farmers, Flames and Climate: Are We Entering an Age of ‘Mega-Fires’?
For millennia, people have set fires to clear land for cultivation, pastures or hunting; so-called slash-and-burn agriculture is still common across much of tropical Africa, Asia and South America. It has been a useful strategy–but …
-
Trees on Tundra’s Border Are Growing Faster in a Hotter Climate
Measuring Techniques Improve—But Implications Are Not Certain
-
Carbon Capture & Storage Project Stalls
In June, American Electric Power suspended its work on the world’s largest test of carbon capture and storage at a power plant in West Virginia, citing lack of regulatory certainty. At the successful conclusion of a two year validation phase, American Electric Power is indefinitely delaying the next step, commercial scale demonstration. The U.S. Department…
-
Can Canadian Water Slake America’s Need for Power?
At a time when the world is abuzz with talk of reducing carbon dioxide emissions to stem the tide of climate change, Canada’s surfeit of hydropower production appears an attractive option to people south of the border who still rely on fossil fuel-generated electricity.
-
A Sea Change, Deep Under Antarctic Waters
The frigid seabottom off Antarctica holds a surprising riot of life: colorful carpets of sponges, starfish, sea cucumbers and many other soft, bottom-dwelling animals, shown on images from robotic submarines. Now, it appears that many such communities could fast disappear, due to warming climate. Scientists sailing on an icebreaker last year have just published a study showing that gigantic…
-
Walking the Tightrope of Groundwater Management
As climate changes and supplying water becomes more challenging, one company says it has a better management strategy.
-
End of the Line – Good Byes to a Great Field Season in Peru
After more than six weeks trawling the Peruvian Andes in search of palaeoclimate clues, our field team is visiting the last site, a potential calibration sites near Coropuna. The objective of that ongoing work is to refine the cosmogenic surface-exposure method for the tropics, thereby improving the precision of new and existing datasets.
