The famously polluted city will also ban new steel and cement factories and oil refineries, and will try to control the number of cars on its roads.
Rattled residents are calling for a ban on injecting fracking wastewater underground. Texas regulators don't seem very receptive.
Either way, it was really hot. In fact, 2013 was the 37th year in a row of above-average global temperatures, according to NOAA.
Scientists have discovered that bees that transmit a crop-wilting virus between plants can become infected by the disease, which could play a role in colony collapse disorder.
Environmentalists are arguing in court that AquAdvantage GMO salmon could be considered "toxic" under Canadian law.
Scientists say baby Jesus' meteorological namesake will become a thundering hulk more often as the climate changes.
Some developing countries have oversized carbon footprints because they manufacture so much of our junk, and their factories are sending smog back our way.
British Prime Minister David Cameron seems desperate to mimic America's natural-gas boom, but plenty of hurdles stand in his way.
A leaked draft of an IPCC report says we might need mass-scale geoengineering to fend off the worst of climate change. Al Gore says that's "insane."