Currents

With the average price of a gallon of gasoline topping $4 in some parts of the country, Americans have cut back on driving at an unprecedented rate.

The question of buying meat becomes more complicated with each trip to the supermarket. With test tube meat a looming possibility, even vegetarians may want to reconsider their options.

The nonprofit Natural Resources Defense Council has forced a costly delay in the construction of a huge reservoir in Florida designed to help restore the Everglades.

The Bush administration finally agreed on May 14 to list the polar bear as threatened under the Endangered Species Act. But there are strings attached.

Washington, DC residents wondering how the nation’s first bike-sharing operation might work can take a few lessons from the Paris program, Vélib", which was launched last summer.

In the first national ranking of environmental friendliness among consumers, Brazilians and Indians scored highest for their minimal resource use and low carbon footprints. Americans scored the worst.

John McCain accepts global warming, and vows to act on climate challenges.

David Wilcove is a professor of Ecology and Evolutionary Biology at Princeton University. He answers questions related to his work to conserve the native scrub ecosystem in Florida, and to save the northern spotted owl and old-growth forest habitat in the Pacific Northwest.

Last week the non-profit Sierra Club launched a new website, sierrasportsmen.org, which appeals directly to the environmental concerns of hunters and anglers.

The non-profit Climate Counts, funded by organic yogurt maker Stonyfield Farm, Inc., last week released its second annual scorecard rankings.