http://www.newsweek.com/id/185822
NEWSWEEK: There is something compelling, in a ghoulish sort of way, about the notion that earth's climate may be headed toward a tipping point. The idea gained broad currency in 2007, when a panel of scientists, including Harvard environmental expert John Holdren—now the White House science adviser—warned that the planet is approaching a threshold beyond which damage to the environment would be irreversible.
NEWSWEEK: There is something compelling, in a ghoulish sort of way, about the notion that earth's climate may be headed toward a tipping point. The idea gained broad currency in 2007, when a panel of scientists, including Harvard environmental expert John Holdren—now the White House science adviser—warned that the planet is approaching a threshold beyond which damage to the environment would be irreversible.
