Impacts of Climate Change (AQA A-Level Geography): Flashcards
📚Flashcards
Practise the cards
10 cards from this deck
ShowHide
Practise the cards
10 cards from this deck
Greenhouse effect
Greenhouse effect
Natural process trapping heat; keeps Earth ~30°C warmer
Earth temp. without greenhouse effect
Earth temp. without greenhouse effect
30°C colder than current temperature
Atmospheric CO₂ in early 1700s (ppmv)
Atmospheric CO₂ in early 1700s (ppmv)
Around 280 ppmv
Atmospheric CO₂ by 2020 (ppmv)
Atmospheric CO₂ by 2020 (ppmv)
Approximately 410 ppmv
% of glaciers losing ice mass globally
% of glaciers losing ice mass globally
Around 90%
Current sea level rise rate (2019)
Current sea level rise rate (2019)
Approximately 3.4 mm per year
Predicted temp. rise in N latitudes by 2100 (°C)
Predicted temp. rise in N latitudes by 2100 (°C)
Between 5°C and 8°C
Permafrost carbon feedback effect
Permafrost carbon feedback effect
Releases CO₂ & methane, accelerating atmospheric warming
Species extinction risk with 1.5-2.5°C rise
Species extinction risk with 1.5-2.5°C rise
20-30% of species could face extinction
Largest contributor to CO₂ emissions
Largest contributor to CO₂ emissions
Electricity and heat generation