This is an interesting article on the Green Rich list by Sunday Times. I just list the top 10 here out of 100:

• Warren Buffet’s holdings include MidAmerican Energy, BYD.
• Bill Gates’s holdings include Pacific Ethanol (through his Cascade Investments), Sapphire Energy.
• Ingvar Kamprad, founder of Ikea, put environmental initiatives at the top of Ikea’s agenda in 36 countries.
• Marcel Brenninkmeijer is the chairman of Good Energies, which has 30 companies including Sequoia Energy, Eolectric, C-Free Power Corp, 6N Silicon Inc.
• Mukesh Ambani’s interest in his Reliance Industries operation is Reliance Life Sciences (RLS).
• Michael Bloomberg promotes a green agenda for New York called PlaNYC to fight global warming.
• Michael Otto retired at end of 2007 as head of the Otto Group, the world’s largest mail-order company, which has long touted environmentally safe products and practices as far back as 1995.
• Microsoft co-founder Paul Allen’s Vulcan Capital investment arm sank $250,000 into Seattle’s Imperium Renewables. Last August 2008 Vulcan was part of a consortium investing £20m in Alta Rock Energy, which develops enhanced geothermal systems.
• Donald Bren’s Donald Bren School of Environmental Science and Management educates research scientists and environmental management professionals, and also plays a leading role in identifying and solving the environmental problems of the 21st century.
• Google co-founders Sergey Brin and Larry Page are top investor in Tesla Motors. Google pumped hundreds of millions of dollars into green energy sources, starting with solar, thermal, high-altitude wind power and now, geothermal energy.

Source: Sunday Times, 1 March 2009

Rank		Name		Country		Wealth		Green investment
1		Warren Buffett		USA		£27bn		Wind power
2		Bill Gates		USA		£26bn		Renewable fuel
3		Ingvar Kamprad		Sweden		£22bn		Renewable energy
4		Marcel Brenninkmeijer		Holland		£19bn		Natural power
5		Mukesh Ambani		India		£15bn		Life sciences
6		Michael Bloomberg		USA		£14.4bn		Natural energy
7		Michael Otto		Germany		£13.2bn		Green products
8		Paul Allen		USA		£11.5bn		Natural fuels
9		Donald Bren		USA		£8.2bn		Environmental research
10=		Sergey Brin		USA		£7.5bn		Green energy
10=		Larry Page		USA		£7.5bn		Green energy