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Environmental Biology > Global Warming & Pollution > Flashcards

Global Warming & Pollution Flashcards

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1
Q

Define climate change

A

Significant long term changes of climate attributed directly or indirectly to human activity, that alters the composition of the global atmosphere in addition to natural climate variability over comparable time periods

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2
Q

Define global warming

A

Increase in average temperature of the earth’s surface (atmospheric and oceanic temperatures) due to enhanced greenhouse effect

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3
Q

What are the factors contributing to global warming

A
  1. Increase of emissions of CO2 and other GHG due to human activities
  2. Deforestation and decrease of the vegetation cover of the world
  3. Destroying the large quantity of phytoplankton by UV radiation due to ozone layer depletion
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4
Q

Why are the GHG due to human activities?

A

CO2
CH4
N2O
PFCs, HFCs and SF6
Black Carbon
CO
NO2
SO2
O3
NOx
Water vapour
NMVOCs
Aerosols

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5
Q

What GHG have an indirect effect on global warming?

A

CO
NO2
SO2
O3
NOx

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Environmental Biology (3 decks)

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