• 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.

    James Hansen: 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.