If a fraction of a degree of warmth could cause a 30 percent productivity drop, why should we voluntarily keep our offices 10 degrees too warm?

Oxfam Details Economic Impact of Warming - Green Inc. Blog - NYTimes.com

Cities like New Delhi in India could see as much as a 30 percent drop in worker productivity because rising temperatures will make it impossible for people to work at the same rate on hot summer days without serious health impacts, Oxfam, the international aid group, warned on Monday.

Japan saves energy by keeping office buildings at 82 degrees. Is this foresighted or perverse? - By Daniel Gross - Slate Magazine