climate-change - Google News
Astronomer royal calls for 'Plan B' to prevent runaway climate change - The Guardian
Astronomer royal calls for 'Plan B' to prevent runaway climate change The Guardian On climate change, Rees will say he is pessimistic that global carbon dioxide emissions can be reduced to safe levels within the next 20 years, which means that concentrations of the gas in the atmosphere will rise above 500 parts per million (ppm) by ... |