People in southern Africa suffering from crop failure are not getting the aid they need and were expecting. Millions of people are affected, in some places desperately so, as an aid system that clearly needs more muscle and better funding falls short. The basic problem, this time aggravated by El Nino, offers a preview of the kind of problems that are likely to arise more frequently as the effects of global warming gain strength.
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Another warning given about the effect of higher temperatures on the yield of wheat fields. Globally, the average decline is projected at 5.7% per acre for each increase of one degree C. Several independent methods of testing have converged on this figure.
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New evidence of weakening of West Antarctic ice shelves. “This kind of rifting behavior provides another mechanism for rapid retreat of these glaciers, adding to the probability that we may see significant collapse of West Antarctica in our lifetimes.” The indicated collapse could lead to a sea level rise of just under ten feet.
In the Arctic, 19 separate tipping points are in imminent danger of being breached. Once breached there is no way to control the cascading effects, results of which are potentially catastrophic when they reinforce each other.
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Further insights into this shocking development, which scientists are calling previously unimaginable.
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One year after adoption of the Paris agreement. Here are current figures showing graphically the effective value of pledges that have been made and also of actual policies that have been put in place. The policies fall far short of fulfilling the pledges, which themselves are wholly inadequate in relation to the relatively weak 2C limit.
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A way to significantly improve the performance of fuel cells has been found. This unusual discovery about the way catalysts can be fine-tuned, made by a group of researchers at Stanford, should have immediate practical applications.
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From Yale Climate Connections, this post provides an in-depth overview of where fuel cell development stands as a contributing factor in the renewable energy picture. This was before there was news of the discovery shown above, which might well be just enough to make a real difference.
Carl