The World Heritage Convention, adopted in 1972, is an international treaty that aims to protect and preserve cultural and natural heritage sites of outstanding universal value.

The Endangered Species Act, enacted in 1973, aims to protect and conserve endangered and threatened species, as well as their habitats, in the United States.

The United Nations Environment Programme (UNEP) is the leading global environmental authority that coordinates efforts to address environmental challenges and promote sustainable development.

The Clean Air Act, enacted in 1970, aims to regulate air pollution and improve air quality in the United States.

The Kyoto Protocol, adopted in 1997, is an international treaty that aims to reduce greenhouse gas emissions and mitigate climate change.

The National Environmental Policy Act (NEPA), enacted in 1970, requires federal agencies to assess the environmental impacts of their major actions and consider alternatives to minimize harm to the environment.

The United Nations Convention to Combat Desertification (UNCCD) is the leading global organization that coordinates efforts to combat desertification and land degradation.

The Clean Water Act, enacted in 1972, aims to protect and restore the quality of water bodies, including lakes, rivers, streams, and wetlands, in the United States.

The Montreal Protocol, adopted in 1987, is an international treaty that aims to protect the ozone layer and reduce the production and consumption of ozone-depleting substances.

The Resource Conservation and Recovery Act (RCRA), enacted in 1976, aims to manage and reduce hazardous waste, as well as promote the recycling and conservation of resources.

The United Nations Development Programme (UNDP) is the leading global organization that coordinates efforts to promote sustainable development and eradicate poverty.

The Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA), also known as Superfund, aims to clean up hazardous waste sites and address environmental contamination in the United States.

The Ramsar Convention, adopted in 1971, is an international treaty that aims to promote the conservation and sustainable use of wetlands and their resources.

The Toxic Substances Control Act (TSCA), enacted in 1976, aims to regulate the production, use, and disposal of toxic substances in the United States.

The Food and Agriculture Organization (FAO) is the leading global organization that coordinates efforts to promote the conservation and sustainable use of forests.