Head to Head

Climate change: Fact or fiction? (1x6)

Air date: Jul 17, 2013

Some scientists say the earth's climate changes constantly and naturally, but the vast majority of them believe the current rise in global temperature is man-made, and could be catastrophic for the planet. But is all this but a case of extreme ‘climate alarmism' Climate change sceptic Richard Lindzen is challenged on his view that concern about global warming is alarmist nonsense.