The Kyoto Protocol, adopted in 1997, set binding emission reduction targets for industrialized countries for the period 2008-2012.

The Paris Agreement, adopted in 2015, aims to limit global warming to well below 2 degrees Celsius, preferably to 1.5 degrees Celsius, compared to pre-industrial levels.

The Montreal Protocol, adopted in 1987, aims to protect the ozone layer by phasing out the production and consumption of ozone-depleting substances.

The Copenhagen Accord, adopted in 2009, aimed to provide financial assistance to developing countries for climate change mitigation and adaptation.

The Paris Agreement, adopted in 2015, aims to promote sustainable development and reduce greenhouse gas emissions through technology transfer and financial assistance to developing countries.

The Clean Development Mechanism (CDM) under the Kyoto Protocol aims to promote sustainable development in developing countries by allowing industrialized countries to invest in emission reduction projects in developing countries.

The REDD+ Agreement, also known as the United Nations Framework Convention on Climate Change (UNFCCC) REDD+ Programme, aims to reduce emissions from deforestation and forest degradation.

The Nationally Determined Contributions (NDCs) under the Paris Agreement are voluntary commitments by countries to reduce their greenhouse gas emissions.

The Global Climate Observing System (GCOS) Agreement aims to promote cooperation on climate change research and systematic observation.

The Multilateral Fund under the Montreal Protocol provides financial assistance to developing countries for phasing out ozone-depleting substances.

The International Civil Aviation Organization (ICAO) Agreement aims to reduce greenhouse gas emissions from international aviation.

The Adaptation Fund under the Paris Agreement provides financial assistance to developing countries for climate change adaptation.

The Climate and Clean Air Coalition (CCAC) Agreement focuses on reducing emissions of short-lived climate pollutants, such as black carbon and methane.

The Joint Implementation (JI) mechanism under the Kyoto Protocol allows industrialized countries to invest in emission reduction projects in other industrialized countries.

The Intergovernmental Panel on Climate Change (IPCC) Agreement aims to promote cooperation on climate change science and technology.