Dining with the Green Glitterati

It may be a dirty world, but under the glittering chandeliers of the Waldorf-Astoria's grand ballroom, more than 500 guests at a black tie $1,500-a-plate banquet last week were told they could sup with a clean conscience. The occasion was a "green" dinner, devoted to celebrating "climate heroes." Carbon offsets had been purchased for their travel to the event.