Author,educator and environmental activist Bill McKibben offers some advice in his new book on how to live on what he calls our "tough new planet."

VOA: standard.2010.04.21

While there is advice aplenty on how to lose pounds or kilograms, a new study focuses on middle aged and older women who maintain normal body weight, or BMI (Body Mass Index) and do not diet.

VOA: standard.2010.03.30