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 (together representing 55% of Annex 1 emissions in 1990). The Paris Agreement entered into force after at least 55 Parties to the Convention accounting in total for at least an estimated 55% of the total global greenhouse gas emissions have deposited their instruments of ratification.
Environmental services
Environmental services
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.