Houston each year pumps 200,000 tons of nitrogen oxide (a component of smog) into the air and this has made America's smogiest city. But since there are federal guidelines on pollution that have to
High environmental standards are a luxury that poor countries cannot afford-or so the orthodoxy has it. But a forthcoming report on global public opinion by Environics International, a Canadian firm,
Soya growers in Brazil, the world's second-largest producer of the bean, grumble about the high debts and low prices. Unsurprisingly, many hope that they may be able to cut their costs by using
Mention hydrogen energy and the reaction can be wild. Talk of fleets of buses powered by fuel cells produces jibes about "rolling hydrogen bombs". This is unfair: properly handled, hydrogen is as
A plague of locusts is infesting much of Central Asia and parts of Russia. It is believed to have originated in Kazakhstan. Over the past few weeks, the flying insects have advanced like moving
Polio can be eliminated. But wars in poor countries delay victory. According to a new report by Unicef, the UN's children's agency, Angola is the riskiest place for children to live in. And it is
A pilot scheme that requires landless peasants in Brazil to borrow money for their own resettlement as farmers is working surprisingly well. The scheme, to be known as the Bancoda Terra (Land Bank)
More than 50m Americans are enrolled in for-profit managed-care companies, firms that insure members, co-ordinate medical delivery and, in good years, pay handsome dividents to their shareholders.
A study conducted by two environmental engineers, Richard Corsi and Cynthia Howard-Reed, of the University of Texas in Austin, and published in Environmental Science and Technology, suggests that it