Phosphate has been essential to feeding the world since the Green Revolution, but its excessive use as a fertilizer has led to widespread pollution and eutrophication. Now, many of the world’s remaining reserves are starting to be depleted. by fred pearce Phosphate: A Critical Resource Misused and Now Running Low by Fred Pearce: Yale Environment 360.
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Great Barrier Reef Part 1: Current Conditions and Human Impacts
What’s the current state of the GBR (i.e. is it really “in fine fettle”)? Despite being one of the best managed marine ecosystems worldwide, there is evidence that the ecological ‘health’ of the Great Barrier Reef has declined since the arrival of European settlers into the Queensland region. This evidence comes from a number of key sources. This area is not without its controversy, which is discussed elsewhere at Skeptical Science by Professor John Bruno...
Ocean life on the brink of mass extinctions: study | Reuters
(Reuters) – Life in the oceans is at imminent risk of the worst spate of extinctions in millions of years due to threats such as climate change and over-fishing, a study showed on Tuesday. Continue reading via Ocean life on the brink of mass extinctions: study | Reuters.
Yale Environment 360: Snowpack Decline in Rockies Has Rapidly Accelerated, Study Shows
Yale Environment 360: Snowpack Decline in Rockies Has Rapidly Accelerated, Study Shows 10 JUN 2011: SNOWPACK DECLINE IN ROCKIES HAS RAPIDLY ACCELERATED, STUDY SHOWS A new study says snowpack decline in the northern Rocky Mountains over the last 30 years has been more severe than at any other time in nearly 1,000 years. In an analysis of 66 tree-ring records, researchers from the U.S. Geological Survey (USGS) found that the average spring snowpack in the...
James Hansen slams Keystone XL Canada-U.S. Pipeline: “Exploitation of tar sands would make it implausible to stabilize climate and avoid disastrous global climate impacts” | ThinkProgress
James Hansen slams Keystone XL Canada-U.S. Pipeline: “Exploitation of tar sands would make it implausible to stabilize climate and avoid disastrous global climate impacts” | ThinkProgress.
Arctic sea ice volume: The death spiral continues « Climate Progress
Arctic sea ice volume: The death spiral continues « Climate Progress In November, Rear Admiral David Titley, the Oceanographer of the Navy, testified that “the volume of ice as of last September has never been lower…in the last several thousand years.”Titley, who is also the Director of Navy’s Task Force Climate Change, said he has told the Chief of Naval Operations that “we expect to see four weeks of basically ice free conditions in...