The UNEP calls for countries to use at least 20 percent of their transit budgets for bike lanes and safe sidewalks to encourage walking and biking over driving.
All new cars rolling off the Tesla factory line come with full self-driving hardware. Just don't expect the car to drive you anywhere yet.
Advice columnist Umbra Fisk cycles through the reasons.
Los Angeles tries to make the garbage industry better for workers and better for the environment.
The military is building a debris-detecting radar on a island that sits just a few feet above the ocean.
Hurricane Matthew is the third hurricane in two decades to wash animal feces all over North Carolina.
So says a report by the Fitch credit rating agency, which warns that rapid innovation in batteries could trigger an "investor death spiral."
The lab-grown patty used to cost $330,000. Now it could be as low as $10.
We're kicking off a 30-day experiment in veganism -- follow along!