The actual eco-friendliness of ecotourism varies considerably. One research station in the Peruvian Amazon is out to prove it can bring visitors to the area without disrupting the environment.
As the conflict in Iran disrupts the world’s oil supply, airlines are looking for jet fuel alternatives. The answer: energy from used cooking oil and french fry grease.
From San Francisco to Stockholm, a new generation of electric ferries is entering passenger service, marking a tipping point for green maritime technology.
SSRIs, like Prozac and Zoloft, are among the world's most-prescribed psychiatric drugs. These antidepressants help a lot of people. But they don't always work. In fact, some experts suggest they are overprescribed.
The USDA this week confirmed the first known infection of the carnivorous fly larva, which feast on the flesh of living mammals, after the United States eradicated the nightmare bugs in the 1960s.