Middy 2 notes

Middy 2 notes - Thermal power accounts for high withdrawals...

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Thermal power accounts for high withdrawals from water sources Agriculture accounts for lower water withdrawal than thermal power, but low amounts returned to the source Mining accounts for very lower water consumption “Tiered” pricing is likely to promote both equitable and efficient use of water Multi-point source water pollution is more difficult to control than from single-point sources Industrial agriculture is characterized by high use of land and fossil fuel energy and low use of labour Perennial polycultures are superior to annual monocultures for soil conservation Net social benefit is the consumer surplus producer surplus When an environmental policy is subject to “marginal analysis” it means marginal benefits exceed marginal costs at very low levels of pollution control Environmental externalities lead to over-exploitation of natural resources and provides no incentive to reduce pollution per unit output, result in an under- supply of public goods that are privately created. Relative inputs of different agricultural systems o Intensive traditional agriculture is characterized by low use of land, fossil fuel and capital, and high use of labour. o Industrial agriculture is characterized by high use of fossil fuel and capital, and low use of labour o Shifting cultivation is characterized by high use of land and low use of
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This note was uploaded on 02/13/2010 for the course ENVR ENVR 201 taught by Professor Madhav during the Fall '09 term at McGill.

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Middy 2 notes - Thermal power accounts for high withdrawals...

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