Environmental policy Environmental protection Human ecology

Oceanography Marine ecology Marine biology Marine pollution Nature -- Effect of human beings on

Food supply -- Juvenile literature Food chains (Ecology) -- Juvenile literature Food supply Food chains (Ecology)

American literature -- History and criticism Ecocriticism Ecology in literature Philosophy of nature in literature

Human ecology Nature -- Effect of human beings on Political ecology

Natural history -- Atlantic Coast (U.S.) Intracoastal waterways -- Atlantic Coast (U.S.) Coastal ecology -- Atlantic Coast (U.S.) Mangrove ecology -- Atlantic Coast (U.S.) Barrier island ecology -- Atlantic Coast (U.S.)

Census of Marine Life (Program) Census of Marine Life (Programme) Marine biology -- Research -- Methodology Marine animals -- Counting -- Methodology Zoological surveys -- Methodology

Sustainable development -- Econometric models Human ecology -- Economic aspects

Trees Forests and forestry Trees -- Social aspects Forests and forestry -- Social aspects Forest ecology

Turtles

Global warming Greenhouse effect, Atmospheric Environmental policy Environmental protection Human ecology

Prairie ecology -- Juvenile literature Food chains (Ecology) -- Juvenile literature