Carbon sinks

Any processes, activities or mechanisms, including biomass, and especially forests and oceans, which have the property of removing a greenhouse gas, aerosols or precursors of greenhouse gases from the atmosphere.

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Carbon credits

Reductions in greenhouse gas emissions tradable in the international carbon market, measured in avoided tons of carbon dioxide equivalent (tCO2e). Currently, there are two types of assets being traded on the market: (i) emission allowances allocated to an existing...

Climate change

Changes that are directly or indirectly attributed to human activity and alter the composition of the world's atmosphere and that is added to that caused by the natural climatic variability observed over comparable periods.

Ratification

After signing an international treaty, such as the Climate Change Convention or the Kyoto Protocol, a country has to ratify the commitment, often with the approval of its parliament or other legislature. The ratification instrument must be deposited with the UN...