Energy Efficiency

10 summer slow cooker recipes

In Rome, residents rally against LED streetlights

How to naturally humidify your home

5 energy-saving portable electric space heaters

This rechargeable battery lasts 400 years

The Negawatt is ready for its close-up

This theater is heated with sewage (and no, it doesn't smell)

Ahead of Valentine's Day, GE calls it quits with the CFL bulb

Hyperventilation about kitchen ventilation

Ted Cruz's half-baked position on ethanol

Next-gen incandescent bulb is a light-recycling marvel

Lessons from 2015: We have to rethink how we talk about efficiency and green building