James Hansen
James Hansen
James Edward Hansenis an American adjunct professor in the Department of Earth and Environmental Sciences at Columbia University. He is best known for his research in climatology, his 1988 Congressional testimony on climate change that helped raise broad awareness of global warming, and his advocacy of action to avoid dangerous climate change. In recent years he has become a climate activist to mitigate the effects of climate change, on a few occasions leading to his arrest...
NationalityAmerican
ProfessionScientist
Date of Birth29 March 1941
CountryUnited States of America
As species are exterminated by shifting climate zones, ecosystems can collapse, destroying more species.
We've driven them out of the range that has existed for the last 1 million years. And the climate has not fully responded to changes that have already occurred.