Wind turbines are becoming bigger, more efficient, and more powerful.

Drilling in the Arctic is not such a hot idea, as any spill will be tricky to clean up.

The Southeast is the only region in the country that hasn’t put renewable energy mandates in place.

Climate change is allowing tree-killing fungi to thrive.

China is cracking down on the illegal mining of rare earth, the metals that are essential to technologies like solar panels.

LEDs vs. incandescents: the showdown.