Richard Alley
Richard Alley
Richard Blane Alleyis an American geologist and Evan Pugh Professor of Geosciences at Pennsylvania State University. He has authored more than 240 refereed scientific publications about the relationships between Earth's cryosphere and global climate change, and is recognized by the Institute for Scientific Information as a "highly cited researcher."...
Richard Alley quotes about
greenhouse humans move moving natural questions scientific serious together variations
Humans are moving the world out of its natural variability. I don't think there are any serious questions of the scientific credibility that big temperature variations move together with greenhouse gases.