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Explore the consequences of acid rain, habitat destruction, non-native species, global warming, bioaccumulation, deforestation, and the importance of sustainable practices and stewardship in preserving the environment. Learn how human actions affect ecosystems and what we can do to ensure a sustainable future.
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Human Impact on the Environment Key Words: acid rain, habitat destruction, non-native species, global warming, bioaccumulation, deforestation, sustainable practices, stewardship, Other resources
Acid Rain (pg 118) • Precipitation with a pH below 5.6 • May also be in the form of snow, sleet, or fog • Causes the deterioration of forests, lakes, statues, and buildings • http://video.kidzui.com/channels/acid-rain Back
Habitat Destruction (pg 118) • Damage to a habitat by air, water, and land pollution • Aka habitat degradation • Deforestation is also an example • http://environment.nationalgeographic.com/environment/habitats/?source=NavEnvHab Back
Non-native species (pg 120) • May take over niches of native species in an area and eventually replace them • Aka invasive or exotic species • http://www.sciencedaily.com/videos/plants_animals/invasive_species/ Back
Global warming (pg 128) • An increased amount of the greenhouse gas CO2 has prevented a large portion of heat from escaping through the Earth’s atmosphere • Effects: more frequent and severe heat waves, floods and droughts, glacial melting, rise of ocean levels, and intense storms • http://www.goldiesroom.org/Multimedia/Movie_Clips/22%20Ecology/Global%20Warming.wmv • http://environment.nationalgeographic.com/environment/global-warming/?source=NavEnvGlobal Back
Bioaccumulation • Gradual build-up over time of a chemical in a living organism • Similar to biomagnification, but within a single organism instead of over an entire food chain • http://science.jrank.org/pages/854/Bioaccumulation.html • http://www.nationalgeographic.com/search/?site=default_collection&client=default_frontend&proxystylesheet=default_frontend&output=xml_no_dtd&oe=utf-8&search=bioaccumulation Back
Deforestation • Clearing Earth's forests on a massive scale, often resulting in damage to the quality of the land • http://environment.nationalgeographic.com/environment/global-warming/deforestation-overview/ Back
Sustainable practices (pg 123) • Promotion of using natural resources in ways that will not, or will limit, damage the ecosystem over time • http://www.thegreenguide.com/?source=NavEnvGG Back
Stewardship • “The responsible use (including conservation) of natural resources in a way that takes full and balanced account of the interests of society, future generations, and other species, as well as of private needs, and accepts significant answerability to society” • Related to sustainable practices • Simply put: being a good citizen to the environment! Back
Other Resources • http://environment.nationalgeographic.com/environment/?source=NavEnvHome Back