Title: Global Warming, Author: David M. Haugen
Title: Population, Author: David M. Haugen
Title: The Environment, Author: Lynn Zott
Title: Renewable Energy, Author: David M. Haugen
Title: Natural Gas, Author: Dedria Bryfonski
Title: Energy Alternatives, Author: Sylvia Engdahl
Title: Garbage and Recycling, Author: Margaret Haerens
Title: Water, Author: Jacqueline Langwith
Title: Pollution, Author: Louise I. Gerdes
Title: Global Resources, Author: Clare Hanrahan
Title: Chemicals, Author: Margaret Haerens
Title: Investigating Earth's Desert, Grassland, and Rainforest Biomes, Author: Sherman Hollar
Title: Global Warming, Author: Susie Hodge
Title: Climate Change, Author: Lauri S. Friedman
Title: Energy Alternatives: An Opposing Viewpoints Guide, Author: Lauri S. Friedman
Title: Going Green, Author: Anne Wallace Sharp
Title: Pollution, Author: Jacqueline Langwith
Title: Biodiversity, Author: Debra A. Miller
Title: Pesticides, Author: Debra A. Miller
Title: Global Warming, Author: Debra A. Miller

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