carbon dioxide in the atmosphere, which is primarily a resuilt of mankind's burning of fuels, is thought to act like glass of a greenhouse, heat that overwise would sisipate into space
the possibility that the greenhouse effect cuold ather the earth's temperature has been debated for many years. scientists have agreed that carbon dioxide is increasing but there has been uncertianly about whether temperatures are also increasing. the major diffcult in acceping the greenhouse effect has been the absence of observed warming coincident with the historic caron dioxide increase
đang được dịch, vui lòng đợi..
