intensifying and prolonging droughts How will global warming change earth? http://earthobservatory.nasa.gov/Fea...ming/page6.php circa 20 cm di aumento we stand at a level some 20 cm higher How Will Global Warming Change Earth? How Will Global Warming Change Earth? climate change affects all ecosystems climate change affects all ecosystems at 3° on up http://earthobservatory.nasa.gov/Fea...ming/page6.php at 3° on up we stand at a level some 20 cm higher report at 3° on up climate change affects all ecosystems How Will Global Warming Change Earth? Global Warming : Feature Articles - Earth according to NASA according to NASA ruining at 3° on up How Will Global Warming Change Earth? consistent with what is expected