We have lost half of the animals in the world since 1970. The first step you can take toward conserving animal species is to understand what harms them.
Wind power will turn on the lights in 35 percent of U.S. homes by 2050, preventing millions of tons of greenhouse gases and other polluting emissions.
Running a 10-kilometer race will burn calories and improve your health. Beyond those benefits, an annual footrace contributes to reforestation and erosion prevention in...