biogeoengineering

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  • Created by: amelia
  • Created on: 11-05-15 16:14
definition of biogeoengineering
the deliberate modification of the earth system to mitigate the effects of global warming
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characteristics of geoengineering solutions
must work (reduce co2), minimal side effects, keep up with higher GHG, cheaper than reducing emissions
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social, political, legal issues
conflicts of interest between countries, 1978 UN law, might prevent reducing emissions
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3 types of geoengineering solutions
removal of arms co2, C capture and storage, albedo modification schemes
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co2 removal ideas
afforestation, synthetic tree, ocean fertilisation, ocean downwelling
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albedo based schemes
resurfacing deserts, modifying plant albedo, foam on oceans, cloudy, stratospheric aerosols, mirrors, white paint
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are schemes feasible
not really as dont know much about effects and often v expensive
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national academy of sciences 2015
would take millennia for conc to reach pre Ind levels if stopped today, need reduction of 90%, schemes use clouds and aerosols are diff to control and model
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rosenfeld et all 1997
use light colours for rooves and pavement
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benford 1997
simplest way to remove co2 is to grow plants
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royal society, 2009
safest and most predictable method of moderating cc is to reduce emissions
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Card 2

Front

characteristics of geoengineering solutions

Back

must work (reduce co2), minimal side effects, keep up with higher GHG, cheaper than reducing emissions

Card 3

Front

social, political, legal issues

Back

Preview of the front of card 3

Card 4

Front

3 types of geoengineering solutions

Back

Preview of the front of card 4

Card 5

Front

co2 removal ideas

Back

Preview of the front of card 5
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