Threats to environment 1
Contamination of the environment.
What is pollution?
Caused by clearing of land for agricultural use or for other activities such as mining
What is deforestation?
The side effects, positive and negative, of an economic activity.
What are externalities?
The control of the exploitation and use of resources in relation to environmental and economic costs.
What is resource management?
Air & water pollution, deforestation
What are the major environmental problems in the Pearl River Delta?
Stocking intensities above the livestock carrying capacity
What is overgrazing?
The gradual transformation of habitable land into desert.
What is desertification?
Carefully calculated system of resource management which ensures that the current level of exploitation does not compromise the ability of future generations
What is sustainable development?
Required by law detailing all the effects on the environment of an energy or other project above a certain size.
What is a Environmental impact statement?
Higher sewage treatment charges, stricter pollution regulations on factories and tougher national regulations on vehicle emissions.
What are the measures the government have introduced to tackle pollution in the region?
Concentration of used or waste materials, their reprocessing, and their subsequent use in place of new materials.
What is recycling?
Damage to forests &depletion of essential nutrients in soil
What are two effects of acid rain?
Agreement between countries to take only a predetermined amount of a resource
What are quotas?
Last resort management strategy when demand is massively out of proportion to supply
What is rationing?
Shunde, Shenzhen and Guangzhou.
Where are the Pearl Delta River cities where industry is centered?
Large industrial agglomerations (large scale processing industries)
Who are the worlds biggest polluters?
Carbon dioxide, methane, nitrous oxides, chlorofluorocarbons.
What are the main greenhouse gases created by humans?
Protection and rational use of natural resources.
What is conservation?
Carbon credits and carbon trading
What are important parts of the EU's energy & environmental policy?
Reducing chemical oxygen demand (COD)
What is a measure Guandong's government is using to reduce the pollution of water in the region?
450 km3
How much waste water is discharged into water sources (e.g rivers) per year?
1.6- 4.2
What is the predicted average global temperature increase by the year 2100?
Encourage business to monitor and reduce its energy usage.
What is a government measure to promote energy conservation?
Car pooling, wash clothes at lower temeperatures.
What are ways individuals can conserve energy?
2/3