A heat wave covering the Midwest and Northeast is expected to peak today -- and with it, demand for electricity to power air conditioning. People may be asked to conserve, but power grids expect they'll meet demand.
Power costs in Jamaica are among the highest in the Caribbean. Many poor people have devised ways to get their supply free and illegally. Now the utility company is cracking down on this theft.
The power grid is too large, too dependent on distant electricity supplies and not smart enough to pass the hurricane test. The result: long power outages. Upgrading to a more reliable grid will cost billions and take decades.