The house is still on fire

Global warming is pretty much an accepted fact of life in the 21st Century, but the causes of it remain a little controversial. There are two schools, it seems. The first, popularised by the likes of Al Gore, is that our carbon emissions are trapping heat within the atmosphere and causing the planet to heat up. The second school of thought, championed by the makers of programmes like The Great Global Warming Swindle, is that the world goes through natural heat cycles, and that the sun and the clouds are more important factors than CO2. But both agree that the world is heating up – so why is only one side calling for change?

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