The administrator of the Environmental Protection Agency is the head of the United States Environmental Protection Agency (EPA), and is thus responsible for enforcing the nation's Clean Air and Clean Water Acts, as well as numerous other environmental statutes.

Biology is a natural science that studies life and living organisms, including their structure, function, growth, evolution, distribution, and taxonomy.

The California condor is a large, critically endangered species of bird that is found in North America.

CITES (Convention on International Trade in Endangered Species of Wild Fauna and Flora) is an international agreement between governments.

The Clean Water Act (CWA) is the primary federal law in the United States governing water pollution.

Conservation biology is the study of the conservation of nature and of Earth's biodiversity with the aim of protecting species, their habitats, and ecosystems from excessive rates of extinction and the erosion of biotic interactions.

The Democratic Party, one of the two major political parties in the United States, is known for advocating progressive policies and social liberalism.

The Ecological Society of America (ESA) is a professional organization of ecological scientists.