Global Warming (Grade 10 NSC Matric Geography): Flashcards
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Global warming definition
Global warming definition
Gradual increase in Earth's temp from human greenhouse gases
Enhanced greenhouse effect cause
Enhanced greenhouse effect cause
Industrialisation increases greenhouse gases, traps more heat
Mt Kilimanjaro glacier loss since 1912 (%)
Mt Kilimanjaro glacier loss since 1912 (%)
85%
Arctic sea ice lost by 2007 (%)
Arctic sea ice lost by 2007 (%)
23% of thick, year-round cover
Methane heat-trapping vs CO2
Methane heat-trapping vs CO2
20 times more effective
Nitrous oxide heat-trapping vs CO2
Nitrous oxide heat-trapping vs CO2
300 times more capacity
Largest source of greenhouse emissions
Largest source of greenhouse emissions
Burning fossil fuels (CO2)
Deforestation's effect on global warming
Deforestation's effect on global warming
Removes carbon sinks (trees) that absorb CO2
Sea level rise by 2100 prediction
Sea level rise by 2100 prediction
1.4m higher than pre-industrial levels
Temperature rise since 1850
Temperature rise since 1850
Less than 1°C