Newly found greenhouse gas is an unregulated chemical that breaks records for climate impacts.
The UN's climate chief says it would be too 'politically difficult' to negotiate carbon emissions based on the IPCC's findings.
Sandy's storm surge is a warning that rising seas could devastate coastal nuclear power plants.
Countries downplay hazards of pollution despite evidence that it leads to 430,000 shortened lives a year.
Typhoon Wipha may make landfall near Tokyo Tuesday, with high winds and surf affecting the Fukushima nuclear plant.
A new study warns that humans will struggle with drastic changes unless emissions rates are cut now.
Financial pressure and divestment threats could force the fossil fuel industry to address climate change.
Natural gas, nuclear and renewables are part of how Southern utilities are attempting to reduce emissions.