A new report finds that California's cap-and-trade system has not cut air pollution in many low-income communities and communities of color.
The smile will activate at crosswalks to alert pedestrians that it's safe to cross.
In a new poll, more young voters realize a Clinton presidency is not the same as a Trump one.
There's now a street called Hazel Johnson EJ Way.
Obama has protected more land and water than any other American president.
Everything from sneakers to beach umbrellas could suck up the sun’s energy and turn it into electricity.
Is the answer different if there's a drought on? Advice columnist Umbra Fisk holds her nose and picks up the topic.
The CO2-riddled oceans of the future may become fish asylums.
Now anyone with an internet connection can see what big commercial fishing vessels are up to.








