and widely built for many years throughout India, China, South Africa and Australia, but little use in Europe, especially Britain.  This is largely because ambient temperatures were considered to low, and [...] Evidence suggests that global oil production has already reached its all time maximum and has begun its inevitable decline. Fossil fuel depletion might be seen as a good thing, given the horrific environmental costs of using those fuels. But our societal dependencies on oil, coal and gas constitute an enormous collective vulnerability, since there are [...]