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Wayne Krouse has a seductive idea: dam-free hydropower. In a year, his start-up, Hydro Green Energy of Houston, plans to have a pair of turbines pumping electricity from under the Mississippi River at Hastings, Minn.--a town willing to give a new idea a try. "Everybody likes a science experiment, and this is just a big science experiment," says Tom Montgomery, Hastings' public-works director. The barge-mounted turbines will be unconventional, but Krouse's design yields twice the energy of earlier versions--and doesn't require new dams, which take years to license...
...Hastings project underscores the potential for inland dam-free hydropower--30,000 MW, roughly 10% of existing U.S. coal-burner capacity, according to U.S. Department of Energy estimates. The green lobby, which fights dams, is not yet sure what to make of dam-free hydro, but it is wary. True, you can pull a turbine out of the water if things go badly--but "you don't just put one turbine in the water," says Robbin Marks of American Rivers. "To generate a fair amount of electricity, you have to put in hundreds. We really don't know what...
...Chemical has spent billions of dollars defending lawsuits derived from its production of dioxin, Agent Orange and other toxic substances. Now CEO Andrew Liveris is determined to turn the $46 billion conglomerate into a pre-eminent eco-friendly operation. TIME's WENDY COLE spoke with Liveris, 52, about going green, how the U.S.'s civil-justice system is dysfunctional and why he's not ready to buy a hybrid...
HANOVER, N.H.—The last time Harvard faced off against Dartmouth, the Crimson offense exploded and the defense held firm in a 10-1 thrashing of the Big Green...
During the first period, Dartmouth (1-0, 1-0 ECAC) was whistled for four penalties to the Crimson’s two, but Harvard found itself unable to apply offensive pressure despite having the extra man. Even when down two players, the Big Green was able to gain the offensive edge, launching several shots on goal during a 5-on-3 Crimson advantage...