5.11 Ecological Footprints and 9.3 Greenhouse Effect

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9 Terms

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Ecological footprint

A measure of how many resources a person uses, expressed in an area of land.

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The 5 variables involved in calculating an ecological footprint:

  1. Carbon footprint (Energy)

  2. Built-up land (Settlements)

  3. Forests (Timber and paper)

  4. Cropland and Pasture (Food and fibers)

  5. Fisheries (Seafood)

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Where does the greenhouse effect takes place?

The Troposhere

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How does the greenhouse effect keep the Earth warm?

The sun’s solar radiation warms the Earth, greenhouse effect keeps the Earth at a temperature that can support living

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Where is the Ozone layer located?

Stratosphere

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Greenhouse gases include:

  • Carbon dioxide

  • Methane

  • Nitrous oxide

  • Water vapor

  • Tropospheric ozone

  • CFCs

  • HFCs

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Which gases are manmade?

CFCs and HFCs.

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Which gas has the lowest global warming potential, but has greatest impact on the greenhouse effect?

Carbon dioxide

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What does GWP stand for?

Global Warming Potential