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C9 (green house gases (consequences (flooding, forest fires, violent…
C9
green house gases
CO2 is a greenhouse gas
create a layer that traps heat on the earth
gases absorb short wavelengths from the sun
human activity contributes to this eg deforestation
increase of co2 is linked to climate change
extra co2 from human activity increases temperature
there are more variables for climate change but co2 is important
media coverage can alter stories on co2 as they may have bias
consequences
flooding
forest fires
violent storms
animal habitats can be destroyed
Evolution of the atmosphere
Volcanoes gave out gases
earth was covered in volcanoes
atmosphere full of co2
volcanoes released nitrogen along with methane
plants absorb co2
green plants adapted to absorb and produce oxygen
co2 was also locked up in fossils
co2 dissolved into the oceans
carbon footprints
measuring carbon footprints
factors to consider include lifestyle or environment
only a rough calculation can actually determine anything relevant
product footprints can be calculated by working out where every piece was sourced from
ways of reducing carbon footprints
renewable energy over fossil fuels
effieciency will cut down on waste lying about producing methane
governments can tax companies with a high carbon footprint
cap emissions on vehicles by going electric
Air pollution
combustion causes polutions
fuels contain hydrocarbons
carbon dioxide becomes prevalent when there is not enough oxygen to absorb it
problems of air pollution
destruction of wildlife
river contamination
can kill humans
carbon monoxide
can get respirstory failure or coma
stops circulation
inert so very hard to detect