It's open season

Tesla abandons its patents, aims to spur electric-car revolution

The pioneering EV manufacturer is going open source, allowing competitors to use all of its patented technology.

All wet

Your clothes dryer is a huge energy waster

Washing machines, dishwashers, and refrigerators are much more energy efficient now than they were 20 or 30 years ago, but clothes dryers still suck.

Ah shit

Climate change could flood your streets with doo-doo and toxic waste

Rising seas and storm surges won't just bring water to people's doorsteps -- they could also bring a witches' brew of sewage and industrial waste.

radio static

Stop lying! Enviros are fed up with false ads about Obama’s power plant rules

The National Mining Association is playing inaccurate radio ads, so a coalition of green group is asking the FCC to investigate.

Business & Technology

Here’s how California could fix its drought-time water woes

By improving irrigation, efficiency, recycling, and stormwater-capture practices, California could free up enough extra water to meet all of its cities' needs.

Business & Technology

Guess which company got the first U.S. commercial drone permit?

Oh – hello, BP! Always a pleasure to hear from the Charlie Sheen of the oil industry.

The beading edge

Illinois becomes first state to ban lake-fouling microbeads

The plastic microbeads will be barred from personal-care products starting in 2017. Other states might soon follow Illinois' lead.

Climate & Energy

Fish are great at fighting climate change. Too bad we’re eating them all.

Fish are superheroes when it comes to sequestering carbon and slowing global warming -- but overfishing and bycatch are killing these deep-sea ecosystems.

Climate & Energy

Obama really wishes he could put a price on carbon

In an interview with Thomas Friedman, Obama explains his thinking on climate change, from the dangers of methane leakage to the importance of avoiding cynicism.