The warming effect of human-induced greenhouse gases is a given, but to what extent can we predict its future influence? That is an issue on which science is making progress, but the answers are still far from exact, say researchers.
Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/Q...
Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/Q...