Guardian: Ofcom has ruled that Channel 4 breached broadcasting codes on impartiality and was “unjust and unfair” in the way it represented individuals in its controversial documentary The Great Global Warming Swindle. Ofcom has ordered Channel 4 to broadcast a summary of its adjudication on the programme, which was aired on Channel 4 and E4 on March 8 last year. The show challenged the theory that human activity is the major cause of climate change and global …