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Gateway 2 Summary (Global Warming (Causes (Natural (Volcanic Eruptions,…
Gateway 2 Summary
Global Warming
What
The increase in temperature over a long period of time
Consequences
Causes
Manmade
Greenhouse effect
Emission of greenhouse gases into the atmosphere. Greenhouse gases trap heat in the atmosphere
Examplesof Greenhouse gases
Ozone (O3)
Methane (CH4)
Carbon Dioxide (CO2)
Water Vapor (H2O)
Causes of emission of greenhouse gases.
Deforestation
Mining
Natural
Volcanic Eruptions
Variation in Solar Output
Caused by Sunspots, which results in higher solar radiations (Aurora Borealis!) Sunspot activities in a 11 year cycle. When there is more solar activities, temperature increases.
International and National responses of various countries to manage climate change
International Protocools
Kyoto Protocool
Impacts on climate change
National Responses
Singapore
Green Mark
Plant-A-Tree
Singapore Green Plan