Environmental effects.
Date Submitted: 11/19/2004 14:24:20
Category: / Society & Culture / Geography
Length: 17 pages (4670 words)
Category: / Society & Culture / Geography
Length: 17 pages (4670 words)
1.CFCs and substitutes and the ozone hole.
The environmental effects of CFCs and their substitutes
a.CFCs - highly stable molecules, lifetime in the atmosphere of between 50 and 100 years; contain 2 or 3 chlorine atoms.
b.CFCs substitutes ( transitional compounds)
i.HCFCs - one or more of the chlorine atoms has been replaced by hydrogen atoms, lifetime in the atmosphere about 20 years, have a tenth or twentieth of the potential damage of the CFCs.
ii.HFCs - …
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… was concluded that car sharing reduced the distances traveled by car.
Overall, in developing politically, socially and economically viable approaches to hitting transport's sustainability goal, there is roughly a three-way split between:
vThe role of increased fuel efficiency.
vModal shift.
vTrip length reduction.
It was concluded that a third of the reduction could be achieved by technical measures and two-thirds by demand management.
29.Remember this - 1 KWh = 3.6 Mj
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