James Hansen, former director of NASA’s Goddard Institute for Space Studies, is adjunct professor in the department of earth and environmental sciences at Columbia University.
James Hansen bravely told the truth even when the Bush administration tried to silence and penalize him.
Climate scientist James Hansen's new book, Storms of My Grandchildren, looks at what's necessary to stop global warming.
If Congress follows these five suggestions, we could solve the problem of global warming.
