Articles by Grist staff

Give a Hoot

Pollution in North America decreased by 5 percent between 1995 and 2000, according to a report released today by the Commission for Environmental Cooperation, established under the North American Free Trade Agreement. In 2000, the U.S., Canada, and Mexico released 3.6 million tons of pollution. Of that, 1.5 million tons went directly into the air, […]

Orange Alert

The U.S. military sprayed twice as much herbicide on Vietnam during the war there than previously estimated, according to a study published today in the journal Nature. Relying on previously unexamined military documents and new assessments of dioxin concentrations, the study found that an additional 1.8 million gallons of toxic herbicides, mostly Agent Orange, were […]

Can’t See the Trees, Either

Spring is here, and all across the country, the first pale green leaves are appearing on trees. But if you live in an urban area, you may be lucky to see such a sight: During the past 15 years, the quantity of trees in many U.S. cities has dropped by almost a third, while paved […]

The Progress of Engines

Bulldozers, tractors, irrigation equipment, and other diesel-powered off-road machines will be subject to stricter emissions standards under a new plan announced yesterday by the U.S. EPA. The plan calls for cutting emissions by up to 95 percent, a move that would bring the standards for off-road vehicles in line with those for cars and trucks […]