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.

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Climate change is allowing tree-killing fungi to thrive.

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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.