Solar and wind less than half the cost of fossil fuels as price falls continue

Hybrid energy raft could power 1,000 homes daily with wave, wind, solar | The power plant is a 38-meter raft with wind turbines and solar panels, generating about 1 MW with a 40% capacity factor.

Conflict minerals: The dark side of your smartphone | Buying a new smartphone can come at a cost far beyond your money, but there are things you can do.

The best free or low-cost photo storage services