Checkmate is a position in Chess, in which a player's king is in a line of attack by an opponent's piece and cannot escape check.
The new study focused on 14 measures with the greatest climate benefit. All 14 would curb the release of either black carbon or methane, pollutants that exacerbate climate change and damage human or plant health either directly or by leading to ozone formation.
The report, published by the Intergovernmental Panel on Climate Change (IPCC), confirmed that human activity has been the cause of much of the recent warming and the risks of future climate change is even more likely than previously thought.