Compared to Seoul's thousands of acres of parkland, he admitted they had struggled to plant 150 trees in the traffic-clogged city.

CNN: Bill Clinton to cities: Act on climate

Political unrest in the Middle East as well as the earthquake in Japan and the continuing concerns about the damaged nuclear power plant are also expected to squeeze air traffic growth.

BBC: BA raises long-haul fuel surcharges

They said there would be an increase in traffic and growing maize for power the plant would lead to a mono-culture in the local environment.

BBC: Sutton Courtenay energy plant plans withdrawn

Likewise, anyone familiar with east Fife's roads will know that the traffic in and out of Diageo's colossal bottling plant in Leven makes little sense in modern logistics, when the company is trying to slash its carbon output.

BBC: Reversing Dr Beeching

In the 1980s nitrogen controls were placed on industrial plant and vehicles, This has led to a cut in emissions of 30%, despite an increase in traffic and economic activity.

BBC: Nitrogen pollution 'costs EU up to ?280bn a year'