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, preferably to 1.5 degrees Celsius, compared to pre-industrial levels.

The Clean Air Act is a comprehensive federal law that regulates air emissions from stationary and mobile sources. It aims to protect public health and the environment from the effects of air pollution.

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

The Endangered Species Act is a federal law that aims to protect and conserve threatened and endangered species and their habitats. It prohibits the taking, possession, sale, and transport of listed species, and requires federal agencies to consider the impact of their actions on listed species.

The Montreal Protocol is an international treaty that aims to protect the ozone layer by phasing out the production and consumption of ozone-depleting substances. It has been successful in reducing the levels of ozone-depleting substances in the atmosphere and has contributed to the recovery of the ozone layer.

The Clean Water Act is a federal law that aims to protect the nation's waters from pollution. It regulates the discharge of pollutants into water bodies, sets water quality standards, and provides funding for wastewater treatment facilities.

The Basel Convention is an international treaty that aims to control the transboundary movement of hazardous wastes and their disposal. It sets out a framework for the environmentally sound management of hazardous wastes and promotes the reduction and elimination of their generation.

The Resource Conservation and Recovery Act is a federal law that aims to regulate the disposal of solid and hazardous waste. It sets standards for the management and disposal of hazardous waste, promotes recycling and waste reduction, and provides funding for the cleanup of contaminated sites.

The United Nations Environment Programme is the leading global environmental authority that sets the global environmental agenda, promotes the sustainable development of the environment, and provides leadership and guidance on environmental issues.

The National Environmental Policy Act requires federal agencies to consider the environmental impacts of their actions and to develop alternatives to minimize these impacts. It also requires agencies to involve the public in the decision-making process.

The Stockholm Convention is an international treaty that aims to protect human health and the environment from persistent organic pollutants (POPs). It sets out a framework for the elimination or restriction of the production, use, and release of POPs.

The Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA), also known as Superfund, is a federal law that aims to clean up contaminated sites and hold responsible parties accountable for the costs of cleanup.

The United Nations Framework Convention on Climate Change (UNFCCC) is an international treaty that aims to stabilize greenhouse gas concentrations in the atmosphere at a level that prevents dangerous anthropogenic interference with the climate system.

The Toxic Substances Control Act (TSCA) is a federal law that aims to regulate the production, use, and disposal of toxic chemicals. It requires manufacturers and importers of new chemicals to submit data on their safety and health effects before they can be marketed.

The Convention on International Trade in Endangered Species of Wild Fauna and Flora (CITES) is an international treaty that aims to ensure that international trade in specimens of wild animals and plants does not threaten their survival.