10 green giants

These companies have gone beyond what the law requires to operate in an environmentally responsible way.

Many Tesco stores, like this one in Evesham, offer savings incentives to encourage their customers to save energy.
Location: Britain
Year founded: 1919
Revenue: $71 Billion
Employees: 380,000
Cut energy use and is trying to get customers to think green.

Wind-powered stores, high-tech recycling, biodiesel delivery trucks - Tesco does all that. Last year the company pledged to cut the average energy use in its British buildings in half by 2010; now it says it will get there two years early. State-of-the-art trains that have lower-than-normal noise and pollution reduce the use of trucks, slashing thousands of tons of carbon dioxide emissions; in a major store initiative, Tesco will estimate the "carbon costs" of each item. To ensure that its leadership walks the talk, Tesco now determines senior-management bonuses partly on meeting energy- and waste-reduction targets. Tesco is also encouraging customers to be greener by awarding points, redeemable for merchandise, to those who bring their own reusable shopping bags. --Matthew Boyle







S.C. Johnson

Goldman Sachs

Swiss Re

Sources: Department of Energy; Eia; Ceres; Aron Cramer; Business for Social Responsibility; Dan Esty; Jonathan Lash, World Resources Institute; Matthew Kiernan, Innovest Strategic Value Advisors; Fred Krupp, Environmental Defense; Joel Makower, Greener World Media; Kld Research; Natural Resources Defense Council; Glen Pricket, Conservation International; Andrew Savitz
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