Mini Test Flashcards
What are 3 natural factors of climate change?
The sun may give off more heat at certain times
The orbit of the earth may change to make it closer to the sun
Lower levels of volcanic activity can lead to warmer temperatures
Human causes of global warming
Green house gases
Deforestation
Green house gases?
Carbon dioxide
Methane
CFC’s (chloro Fluor carbons)
Nitrous oxides
How is co2 produced?
Co2 is produced by burning fossil fuels such as coal oil and gas ( this happens in electricity power stations and car engines
How is methane produced?
Is from cattle manure and rotting materials
How is cfcs produced?
By using it in fridges and air conditioning vents
Where is nitrous oxides found?
It’s found in farm fertiliser and polluted by vehicle engines
What is deforestation?
Cutting down large amounts of forests
What does deforestation produce?
It produces CO2 from burning and cutting down trees
What are 5 effects of global warming?
Sea levels rise (flooding) Climate refugees (from pacific islands) Weather disasters Food shortages in developing country’s Spread of tropical diseases Wild fires everywhere Wetter weather
Where is it most likely to flood?
Pacific islands
Name 2 solutions to global warming?
Reduce your carbon footprint Stop deforestation’plant trees Government’ renewable energy No more burning coal oil and gas International agreements
What is sustainability?
To live in a way without endangering future generations
How do you reduce your carbon foot print
Electric car
Turn off lights
Take public transport
Renewable energy
