The only major player left who helped hammer out the original global warming agreement at Kyoto in 1997, she is one of the very few with a grasp of what it means if humanity fails.

Caroline Lucas, 47, is Green MEP for SE England and is likely to be elected the Greens' first sole leader next year when members have a referendum (hitherto the party has had a joint leadership).One of the worst was the attempted sidelining of the man who has done more than anyone to secure that promise. His film Still Life, which won the 2006 Golden Lion award at Venice, is a tale of social upheaval and ecological destruction set against the backdrop of the Three Gorges Dam in China - one of the world's biggest hydroelectric projects which has forced millions of people to move. has a fantastic reputation for wine, offering a huge range of great wine by the glass, carafe or bottle, as well as a ‘Collector’s List’ full of rare vintages. We’ve done the legwork for you and rounded-up some of the best private dining spaces in London for 50 guests, so you don’t have to spend a ton of time trawling the internet for room capacities.

He limits his own appearance in the film - essentially a series of talking heads set against library footage - to that of host and narrator. In one month last year he intercepted more than 19,000 shark fins and 92,000 sea cucumbers, and confiscated more than 35 miles of illegal longline. You can hire the restaurant or the bar individually, with capacity for 100 each, or look outside to the covered terrace which has room for 50.Riding House is well known for its easy-going all-day fare and epic brunch menus, and this Fitzrovia institution can be yours exclusively - the dining room at Riding House Fitzrovia is available for private hire and fits north of 50 guests, offering trendy, welcoming interiors and delicious food. Yet she now heads a worldwide movement of women trying to rescue and conserve crops and plants that are being pushed to extinction in the rush to modernise farming.

By the age of 28, he had worked out that the US could phase out fossil fuels not at a cost, but at a profit. This could save 90% of CO2 emissions, but the snag is that it costs hundreds of millions of pounds for every station and it uses as much as 35% more energy to collect the gas, transport it and bury it.Joss Garman, 22 and just out of university, has been a British environmental activist for eight years. Shanghai plans to subsidise 100,000 solar panels for the city and the state is preparing to build the world's biggest solar generating facility in the Gobi desert.

Peter Garrett, 54, is the former punk lead singer of the disbanded Australian rock group Midnight Oil, who continued his weird journey from radical muso to establishment politician when he was appointed Australia's environment minister in November.

More force of nature than wooden presidential candidate now, Al Gore's reinvention as Mr Climate Change is based on a long-standing passion for the environment.