A lack of transmission lines makes wind farming an iffy crop
A common shrub that grows beside the road is transforming hundreds of small villages in Mali, one of the poorest countries on earth.
By Jane Chastain Some people learn from their mistakes. It appears Barack Obama is not one of them.
By Andrew P. Morriss
, Bruce Yandle
Environmental Kuznets Curves for carbon emissions raise doubts about the feasibility of reducing global carbon emissions..