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topic 5 bio
climate change
reducing climate change
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Cards (5)
reducing carbon emissions
limit burning of
fossil fuels
burns
biofuels
instead
use
renewable
energy sources
biofuels
recently living plant biomass
release
C02
when
burnt
advantages of biofuels
cheaper
than oil
carbon
neutral-release
carbon which was recently
removed
from atmosphere when plant was alive
renewable
resource- regrown
quickly
disadvantages of biofuels
amount of
land
used to grow plants could be used for
food production
creating land for biofuel growth involves loss of
habitats-
decreasing
biodiversity
cutting down mature trees to create
land
for biofuel growth, decreases removal of C02 via
photosynthesis
renewable energy sources
no
C02
released
geothermal-
only used when volcanic activity close to earths surface
solar-
depends on sunshine hours
wind-wind
speeds and visual impacts of wind turbines
tidal-only
generated near coast