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Weather & Climate KQ 2 (Anthropogenic Causes of Climate Change…
Weather & Climate KQ 2
Natural Causes of Climate Change
Variation in Solar Output (Sunspots, Heating Effect)
Volcanic Eruption (Cooling Effect)
Anthropogenic Causes of Climate Change
Agriculture (Cattle Farming, Argentina)
Industries (Factories Emission, China 5M Tons of CO2 Yearly)
Deforestation (Lesser Trees to Absorb CO2)
Urbanisation ( More Electricity Used)
Responses to Climate Change
National Responses
Green Mark Scheme
(Building Construction Authority (BCA) in 2005)
Successes
(Standard Charted @ Changi have Saved 15%-35% More Energy Compared to Non Green Buildings)
Limitations
(Construction of Green Buildings can Incur More Costs due to Increased Resources Needed)
Plant a Tree Programme
(1971, Garden City Fund n Singapore Environment Council)
Successes
(60k Trees Planted Yearly, Absorbing CO2 Through Photosynthesis)
Limitations
(Trees take Very Long to Grow)
Singapore Green Plan
(2002, Generate 60% of Singapore's Energy from Natural Gas by 2012)
Successes
(By 2010, 79% of SG Energy was Derived from Natural Gas, Exceeding Goal)
Limitations
(Natural Gas has High Costs in Treatment, Transport and Storage Before Use)
Intenational Agreements
Kyoto Protocol
Successes (Finland, Greece, Ireland)
Limitations (Denmark, Austria, Spain)
Impacts of Climate Change
More Frequent Extreme Weather Events (Droughts in Sudan, Ethiopia)
Spread of Infectious Insect-Borne Diseases (First Case of Dengue in Bhutan n Nepal 2004)
Sea Level Rise (IPCC, 80% of Majuro Atoll in Pacific Lost)
Lengthening of the Growing Season in Certain Regions (Canada Average Wheat Yield Reduced)