INTRODUCTION:
At first spheric heat sounded like a good idea, especially to people in Northern climes. But starting in the 1960s, scientists recognized long problems, concentrating at first on sea-level rise and a threat to food supplies. New items were gradually added to the list, ranging from the degradation of ecosystems to threats to military man health. Experts in fields from forestry to economics, even national security experts, sky in to assess the range of possible consequences. It was impossible to render solid predictions given the complexity of the global system, the differences from one domain to another, and the ways human society itself might try to aline to the changes. But by the start of the 21st century, it was clear that climate change would bring spartan harm to many regions â€" well-nigh more than others. Indeed many kinds of damage were already source to appear.
POSITIVE IMPACTS:
Sure we might all be killed by global warm up, and I seriously doubt paving everywhere the rain forest with strip malls is good for the long frontier health of the planet but lets try and look on the bright (and warmer) side of things so lets all take a moment and try to focus on the postitive effects of global warming.
Warmer Weather is Healthier:
From a purely evolutionary point of view, warm periods have always benefited plants and animals. The world has thrived during the warming periods between the ice ages. Cold periods have always caused serious survival problems for all organisms including mankind. Scientific studies show that there provide be 40,000 fewer deaths each year in the U.S. In Britain alone, scientists estimate that about 30,000 deaths a year are colligate to cold winter weather. Warmer temperatures in the U.S. will repress medical costs by about $20 one thousand million every year.
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