March 2, 2008 |
Corn is a key element of the U.S. food supply. It is what dairy cows eat to make milk and hens consume to lay eggs. It fattens cattle, hogs and chickens before slaughter. It makes soda sweet. As the building block of ethanol, it is now also a major component of auto fuel. And that may signal trouble ahead.
October 18, 1992 |
People are smoking less, countries are cutting back armies and nuclear weapons, and industry is producing less oil and fewer ozone-destroying chemicals. Could the world be turning into a better place? Not yet, the Worldwatch Institute said in a report Saturday. But there are encouraging trends. A look at 36 environmental and social indicators in the report "Vital Signs" still shows trouble signs. But "there are . . . some positive trends beginning to emerge," said Lester R.