http://www.a1articles.com en-us editorial@a1articles.com North of the Himalayas, in western China, lies the self-governing land of Tibet. The Tibetan Plateau is the highest populated region on the planet and stands at an average elevation of 16,000 feet. To the north lie the imposing Kunlun Shan mountains, prov... http://www.a1articles.com/article_11040_29.html 04th October 2005 It is presently estimated that 700 tonnes of carbon dioxide are pumped into the earth's atmosphere every second of the day. Carbon dioxide is the chief contributor to the greenhouse gases. It is these greenhouse gases which cause global warming. ... http://www.a1articles.com/article_10985_30.html 03rd October 2005