Currents

Not to be outdone by rival Honda, Toyota last week announced it, too, will begin leasing a new hydrogen-powered, emissions-free fuel cell car.

Senate Republicans dashed environmentalists" hopes last week, killing legislation that would have cut greenhouse gas emissions.

Best Buy has launched a pilot program to test free "take back" of used electronics.

The Bush administration is pushing harder to deposit nuclear waste at Yucca Mountain.

Thousands of Kihansi spray toads, all less than an inch long, once thrived in the Kihansi River gorge in Tanzania. Once the chytrid skin fungus spread to the Kihansi gorge, the species became extinct in the wild. Thanks to zoo sanctuaries, however, their numbers are steadily growing.

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 Chinese government has banned the production and distribution of plastic shopping bags thinner than 0.025 millimeters thick.

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 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.