Since 1970, the global population has doubled, economic growth also continued to recover, but has continued degradation of the natural environment. Like say, the tropical rain forest of fallen trees growing at every second of the tragic death ── 1980 to 2000 in 20 years, 100 million hectares of forest disappear this, the extra land is used to raise cattle, beam at the eaves oil palm business career . <br><br>Frightening is the biggest hotbed of biological wetland is facing the worst crisis, have 300 years ago, the total wetland area, so far only 13%. <br><br>Experts stressed that "the world of humans and all other species survival ecological growing at an unprecedented rate of deterioration, we are eroding resources around the world, food and health foundation. If no action in the future everything is no longer reversed."
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