The God Species: How Humans Really Can Save the Planet...

Different technologies can be substituted according to different circumstances or national preferences, of course. The Austrians, for example, despise nuclear power. (The country spent $1 billion building a nuclear plant, and then had a referendum in 1978 that was won by the anti-nuclear lobby. The plant, called Zwentendorf, was never opened, and coal-burning power stations built instead.) For the Maldives I would not suggest any nuclear power stations, because each island operates as a separate independent energy entity and nuclear plants are simply too big to be appropriate. Moreover, the country is drenched in solar radiation for most of the year – its main constraint, in fact, is the land space needed to capture the sun’s energy. But very large, densely populated nations outside the tropics are likely to need substantial nuclear generation. This may be difficult for many Greens to swallow, but as I will show in future chapters, nuclear power is nothing like the environmental threat it has long been made out to be. Instead, by displacing coal from our energy mix, it can be a net win for the biosphere. China, for instance, has 13 operational nuclear plants and 150 more under construction or on the drawing board.58 Each 1-gigawatt nuclear plant will displace 6 million tonnes of annual CO2 emissions, making this one of the best pieces of climate-related news anywhere in the world.59 That should be the end of the matter so far as environmentalists are concerned: nuclear is Green.

To cut global emissions in half by 2050 (with growing energy consumption in the meantime) would require the construction of 12,000 nuclear power stations – with one plant coming online every single day between now and then (assuming we start in 2015). I mention this only as an illustrative exercise, for no one – not even the nuclear industry – suggests that we try to deal with climate change using nuclear power only. Such a level of new-build sounds impossible, but consider that over the last fifty years humans have constructed two large dams per day, half of those in only one country – China.60

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