In 2007 Channel 4 broadcasted the highly controversial Great Global Warming Swindle giving climate change sceptics both airtime and credence.

The film argued against the scientific consensus that man-made greenhouse gases are one of the major causes of climate change. After it was aired, watchdog Media Lens called the film ‘pure propaganda’. George Marshall, founder of the Climate Outreach and Information Network, went further and worried that the film supported ‘climate denial’ writing in his blog:
‘Among the lies it peddled was the notion that environmentalists and scientists have a vested interest in promoting this problem. In fact we [environmentalists, and scientists] would love it if we were wrong…’

For more information on the bollocking that C4 received from regulator Ofcom see: The Guardian and BBC Online.