Authors:

The greatest danger hanging over our children and grandchildren is initiation of changes that will be irreversible on any time scale that humans can imagine.

"Coal-fired power stations are death factories. Close them" by James Hansen, www.theguardian.com. February 14, 2009.
The greatest danger hanging over our children and grandchildren is initiation of changes that will be irreversible on any time scale that humans can imagine.