Climate change Flashcards
What are the names of the 4 gasses that most impact climate change?
Carbon Dioxide
Methane
CFC’s
Nitrous Oxide
Where does Carbon Dioxide come from?
Burning fossil fuels
Peat bog reclamation
Deforestation
Where does methane come from?
Belching cattle
Rice cultivation
Decomposing waste/ landfill sites
Melting perma frost
Where do CFC’s come from?
Released when air conditioning units and fridges are disposed of incorrectly
Where does nitrous oxide come from?
Car exhausts
Released from power stations
By product in the farming industry via fertilisers
What is the cycle for sunspot activity?
11 yearly
What are milankovitch cycles?
Variations in the tilt and/or orbit of the earth around the sun
How often is there a change in the earths tilt?
Every 41,000 years
How often is there a change in the earths orbit?
Every 97,000 years