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A Carbon Tax Does It Better

Most economists agree that a straight forward tax upon energy’s carbon [ark] is far preferable to a greenhouse gas trading system. Carbon markets [search] are failing to reduce emissions, and are complex and expensive. A carbon tax [search] simply charges a fee for every ton of CO2 produced by users of fossil fuels. [...]

Spotting Antarctic mountains, 200 km away

This disc on a look-out point by a British Antarctic research station shows places more than 200 km (125 miles) away — and on a clear day you can see them.

The air in Antarctica is so clear, dry, cold and dust- and pollution-free that you can see mind-boggling distances. 

Jenny Island on the disc [...]

How much electricity do you use in a year?

It was a disarmingly simple question but, embarrassingly, I didn’t have a clue when first asked that 18 months ago. Even though I’d have to describe myself as a genuine tightwad when it comes to expenditures, I simply had no idea, strangely enough, about how much money my four-person household was spending [...]