The Paris Agreement is a legally binding international treaty on climate change. The goal of the agreement is to limit global warming to well below 2 degrees Celsius, preferably to 1.5 degrees Celsius, compared to pre-industrial levels.

The Montreal Protocol is an international treaty designed to protect the ozone layer by phasing out the production and consumption of ozone-depleting substances.

The Convention on Long-Range Transboundary Air Pollution is an international agreement that aims to reduce air pollution by setting limits on emissions of sulfur dioxide, nitrogen oxides, and other pollutants.

The Convention on Biological Diversity is an international treaty that aims to conserve biodiversity, ensure the sustainable use of biological resources, and promote fair and equitable sharing of benefits arising from the use of genetic resources.

The United Nations Framework Convention on Climate Change includes a mechanism called REDD+ (Reducing Emissions from Deforestation and Forest Degradation), which aims to reduce deforestation and promote sustainable forest management.

The International Tropical Timber Agreement aims to promote sustainable forest management and reduce illegal logging in tropical forests.

The International Civil Aviation Organization and the International Maritime Organization have set targets for reducing emissions of greenhouse gases from international aviation and shipping, respectively.

The Basel Convention is an international treaty that aims to control the transboundary movement of hazardous wastes and their disposal.

The United Nations Environment Programme promotes cooperation in the development and transfer of environmentally sound technologies.

The Ramsar Convention is an international treaty that aims to protect wetlands and promote their wise use.

The Food and Agriculture Organization of the United Nations has set targets for reducing emissions of greenhouse gases from agriculture.

The Convention on the Conservation of Migratory Species of Wild Animals aims to protect migratory species and their habitats.

The Food and Agriculture Organization of the United Nations promotes sustainable fisheries and prevents overfishing.

The International Whaling Commission aims to protect whales and regulate whaling activities.

The United Nations Industrial Development Organization sets targets for reducing emissions of greenhouse gases from industry.