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Climate Change: Infrequently Asked Questions

By ��è��Ƶ

10 December 2004

How many trees compensate for personal energy use?

What height does the sea level have to be to produce a maximum total coastline on the planet?

As it is so much hotter in summer, which increases the evaporation of water, why does it not rain more than in winter?

In the northern hemisphere the Sun reaches its highest point in the sky on about 21 June every year. Yet the warmest months tend to be July or August. Why is that?

Given the energy required to make a car starting from raw materials is greater than it consumes in fuel, is it better to run “old bangers” for longer, rather than buying new fuel-efficient cars?

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