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3.7 Environmental effects on industry
Terms in this set (15)
Suggest the reasons why the authorities may not want to solve the problems caused by the gold industry
-It may be too expensive to solve the problems
-Legislation would be too complex
-Government are more concerned about development than the people
-Government do not want to risk businesses moving out
Explain how economic activities are causing global warming.
-Carbon dioxide and other greenhouse gases are given off by burning fossil fuels, industry and pastoral farming
-Greenhouse gases builds up in the atmosphere and heat is trapped
Explain why global warming is a threat to the natural environment.
-Melting of ice caps
-Loss of natural habitat
-Rising sea levels
-Flooding of low lying countries
-Loss of food sources for wildlife
-Loss of species
-Breaking of food chains
-Diversion of cold ocean currents
Describe the impacts of soil erosion.
-Loss of land
-Loss of vegetation
-Soil is made bare
-Steep slopes created in soil
-Soil washed away
Suggest in ways in which both economic activities and natural processes may cause soil erosion.
-Grazing by animals removing vegetation cover, especially if herds are too large
-Over-cultivation removes nutrients from soil, destroying structure of soil
-Ploughing leaves soil bare
-Soil dried out in arid conditions
-Heavy rainfall washes soil away
List three human activities which make global warming worse
-Burning fossil fuels
Identify two ways in which the transport of the manufactured product may damage the natural environment.
-Noise pollution from vehicles
-Deforestations for road buildings
Suggest three ways in which the environmental impacts of producing and transporting this manufactures product could be reduced.
-Use less packaging
-Transport materials in bulk
-Produce raw materials close to factory
-Use renewable energy sources
-Conserve energy in factory
Explain how greenhouse gas emissions may cause an increase in global temperatures
-Buildup in atmosphere
-Let sun's rays through
-Bounces/reflects from earth's surface
-Do not allow heat to escape
-Insulates/acts like a greenhouse
Explain why in many countries only small amounts of alternative energy sources are used.
-Few alternative energy sources are available or potentially available
-Some in early stages of development
-Limited technology in many areas
-Expense of development
-Much of industry geared up to using fossil fuels
-Solar limited by environment factors
-Wave limited to coastal locations
-Geothermal to volcanic regions
Describe the problems which air pollution might cause for people living in an urban area.
-Breathing difficulties eg. asthma
-Dirt on washing
Explain why, in many countries, industrial waste is released into rivers, lakes and seas.
-Cheap method of waste disposal
-Environmental protection regulations in LEDCs are weak/not enforced
-Economic growth given preference over environment
-Doesn't take up land
Explain why greenhouse gases are increasing in the atmosphere
-Generation of electricity by using fossil fuels
-Deforestation which prevents use of carbon dioxide by trees
-Ranching/grazing of cattle releases methane
-Factories burning coal
-Incineration of waste
Explain why it is difficult to conserve the natural environment.
-Population is large
-People use/depend upon many different resources
-Need to clear areas to build settlements
-Growth of industry leads to specified types of pollution
-Development seen as more important than the natural environment
-Need for transport as part of everyday life
-Burning fuels is vital to provide energy
-Need for international collaboration
-Governments have other priorities
-People don't know/don't care
Describe the strategies which can be used to reduce carbon dioxide levels in the atmosphere.
-Use of alternative energy supplies such as HEP/wind/solar, so less fossil fuels are used
-Using more public transport
-Reduce levels of deforestation as trees use up carbon dioxide
-Limits on factory emissions
-Conservation of energy
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