When atmospheric ozone is depleted higher levels of ultraviolet radiation reach the Earth's surface. Describe two effects of increased UV radiation.
increased rates of skin cancer and cataracts, damage to vegetation
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Describe and explain three impacts of climate change on oceans
strong tropical storms as ocean surface temperatures warm, bleaching of coral reefs as ocean temperatures warm, ocean acidification due to increased CO2
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describe and explain (3) strategies used by governments to reduce the effects of atmospheric pollution
investment in renewable energy, carbon taxes/pricing to reduce emissions, legislation to reduce industrial pollution Flue gas desulfur, CCS, transport policies
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Desribe and explain strategies used by individuals to reduce the effects of atmospheric pollution
drive less/ele/bike/carpool/walk/public transport/emit less gases, eat less meat/reduce methane emissions, use energy efficient appliances, turn off lights/a/c,
What is the primary contributor to the excess carbon dioxide causing the enhanced greenhouse effect?
Burning fossil fuels
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Describe the natural greenhouse effect
a process that occurs when gases in Earth's atmosphere trap the Sun's heat. This process makes Earth much warmer than it would be without an atmosphere.
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Describe three ways farmers could impacted by climate change.
reduced cop yields in tropical climates, reduced nutritional content of food, more floods, more drought, less predictable weather, more frequent storms
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Describe how melting glaciers and ice sheets impacts albedo (reflection of solar radiation)
ice reflects much more sunlight than water or land which has a dark surface and absorbs heat. As ice melts more solar radiation is absorbs speeding up melting
