NEW YORK - Deep in the bowels of the UN headquarters, a pump sucks in huge amounts of water from the East River to help cool the complex with an old but energy-efficient mechanism. As more and ...

Deep in the bowels of the UN headquarters, a pump sucks in huge amounts of water from the East River to help cool the complex with an old but energy-efficient mechanism. As more and more people ...

UNITED NATIONS — Deep in the bowels of the UN headquarters, a pump sucks in huge amounts of water from the East River to help cool the complex with an old but energy-efficient mechanism. As more and ...

UNITED NATIONS, United States — Deep in the bowels of the UN headquarters, a pump sucks in huge amounts of water from the East River to help cool the complex with an old but energy-efficient ...

As more and more people want to stay cool in a planet that is steadily heating up, energy experts point to this kind of water-based system as a good alternative to air conditioning. But in many ...