The 1,300 Bird Species Facing Extinction Signal Threats to Human Health Climate change and chemicals like pesticides are driving the crisis. Can we afford to lose them? How can the farmers be weaned away from chemicals in their fields?? Needed govt policy to show a roadmap for saving birdlife. More research required in birds and their dwindling numbers or disappearance in Rajasthan as well. The idea that birds tell us about our own health has gained even more scientific traction in the decades since Silent Spring as biochemical analysis has become more precise. Much of that work stemmed from studies Canadian Wildlife Service toxicologist Glen Fox and others conducted on the Great Lakes, the worlds first and biggest testing ground for contaminants and birds. Foxs work began with tales from terns and other fish-eating birds. He found high levels of polychlorinated biphenyls (PCBs) in the lakes and their sediments, and enlarged thyroids that were producing little hormone in the birds. For more ------news.nationalgeographic/news/2014/08/140825-bird-environment-chemical-contaminant-climate-change-science-winged-warning/
Posted on: Fri, 29 Aug 2014 03:04:19 +0000
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