The Green House effect, Global Warming and Climate Change refer to the idea that increased levels of greenhouse gasses have caused dramatic increases in world temperatures. The increase in temperatures is causing the ice to melt in the Artic, Antartica and Glaciers - this melting ice has raised sea levels and is possibly influencing weather patterns. If not abated, the rise in sea level threatens coastal communities and the fluctuating weather could have other adverse affects.
The Kyoto Protocol set reduction targets for six greenhouse gases:
Emission Trading is seen as a way for the market ot address the problem. An alternative would be to impose a tax. Both would involve regulation and management. The increase in the price of petrol (including petrol) has had a positive effect, with car usage decreasing and public transport use increasing.
Emission Trading has the potential benefit of the funding being transferred directly between the source and the sink. Plants (through photosynthesis) and the Ocean are natural sinks for Carbon Dioxide. So, forestry companies could sell their credits to Electricity Generators. Petrol Companies could pay for the care of trees and parks. However, the pricing of these sinks and the greenhouse gases generated.
However, this would not solve the problem as there are insufficient sinks. So, we need to look at ways of reducing the creation of green house gases. This can be done by reducing consumpution by using more efficient devices or alternate power sources - wind, solar, hydro, gas and nuclear.
Hydro, gas and nuclear power fit the existing large scale electricity generation and distribution models. Whereas windturbines and solar have only been demonstrated on smaller scales. Where electricity is generated for personal use and excess is passed into a grid. Solar and Wind generated electricity needs to be stored, whereas the other sources of electricty are generated on demand - when it gets dark, cold, hot - to supply lighting, warmth or cooling.
An alternative to storing the excess solar and wind power is to put it into the electricity grid. In Queensland and South Australia customers are paid 44 cents per kilowatt hour (kWh) for surplus electricity fed into the grid. The domestic Tarriff for electricity in Sydney (which is coal powered) is under 12c/kWh plus a 33c/day service fee.
As transport is estimated to account for 14% of greenhouse gas generation in Australia and motor vehicles 62.8% - reducing car usage through improved public transport could not only reduce the cost of infrastructure and travel times. It could help address climate change.
www.ramin.com.au/eco-sydney/emission-trading.shtml © Ramin Communications 2008. Last modified 28 April 2008.
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