EnvironmentBill McKibben makes a powerful pitch for solar in optimistic new book In Here Comes the Sun, environmentalist Bill McKibben argues that the rapid adoption of solar power should quell our worst climate fears. Is he right, asks James DinneenCulture
EnvironmentA clean energy source may be lurking beneath mountain ranges As the search for geologic hydrogen - a potential clean source of energy beneath the ground - continues, some researchers are turning to mountains News