A set of functions performed by nature, essential to human beings, such as water and gas regulation, climatic and of physical disturbances, water supply, erosion control and sediment retention, soil formation, nutrient cycling, pollination, and many others.
Entry into force
Entry into force
Intergovernmental agreements, including protocols and amendments, are not legally valid until ratified by a certain number of countries. For the UNFCCC creation, it took 50 countries; as for ratifying the Kyoto Protocol, at least 55 countries were required...