Chevron, Exxon and BP among companies most responsible for climate change since dawn of industrial age, figures show.
To avoid catastrophic climate change impacts, 37 percent of fossil fuels held by publicly listed companies should stay buried.
Developing countries threaten to walk out of UN talks in Warsaw over failure to reach agreement on financial recompense.
The number of disasters, and the total cost, are both on the rise.
Find out which cities are most at risk.