the target temperature to limit global warming, set out by the countries participating in the Paris agreement

a gas that contributes to the warming the planet; Carbon dioxide is an example of a greenhouse gas

a target to be achieved by reducing emissions and implementing methods of absorbing carbon dioxide from the atmosphere

a society or system based on power sources that do not emit much greenhouse gas into the atmosphere, specifically carbon dioxide

a legally binding international treaty on climate change that contains a list of rules for countries to follow to stop global warming