Global Environmental Issues.pptx

Hydraulic fracturing fracking natural gas mixture

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Hydraulic Fracturing - Fracking Natural gas – mixture primarily composed of methane gas Located in pockets too difficult and expansive to mine without the fracking procedure Fracking utilizes large amounts of water and unidentified chemicals injected in order to create fractures to retrieve natural gas Produces toxic air emissions, generates liquid waste tailings and can contaminate surface and drinking water supply
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Non-native and Invasive Species Non-native species can be naturally introduced or introduced inadvertently or intentionally through anthropogenic means Not all non-native species become invasive species Invasive species pose the 2 nd greatest threat to biodiversity Lionfish and Kudzu vine
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Water Most valuable resource -sustains life on our planet 70% of the earth is covered in water only 3% is freshwater only 2% of this available to sustain life Canada has 20% of the world’s total freshwater resources 7% of world’s renewable water Experimental Lake Area (ELA) World renowned research Research on acid rain, mercury, arsenic and phosphorus
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Great Pacific Garbage Patch Located in North Pacific Ocean Composed of accumulated non- biodegradable debris Composed of mainly plastic 750,000 bits of plastic/km 2 suspended throughout the water column Microplastic interacts with biota on the individual level Population or community level impacts are still largely unknown
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Endocrine Disruptors Any chemical that has the ability to influence an organism’s endocrine system Mimic or block an organism’s natural hormones
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Endocrine Disruptors Some occur naturally others man- made synthetic chemicals Industrial solvents PCB’s Plastics Pharmaceuticals Pesticides/fungicides/herbicides
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