Pollution
NHTSA study forecasts dangerous rise in world temperatures by 2100
But it's being used to justify relaxing environmental standards.
Fighting pollution with vertical gardens on highway pillars
Saving the world and adding some beauty to the landscape all in one.
China bans 553 car models in fight against smog
But Beijing has made gains this year; now, pollution in India is worse.
Oxford to become first UK city to ban gasoline and diesel cars from center
"Everyone needs to do their bit ... to end this public health emergency."
Higher risk of dementia for those living closer to busy roadways
If you live close to a traffic-heavy highway, you have a greater risk of being diagnosed with dementia.
Banhammer coming for older diesel vehicles in New Delhi, India
New Delhi to drivers of old diesel cars: "Get 'em gone."
South Korea, like so many others, is taking on diesels
South Korea government wants to broaden EV adoption and eliminate older diesels as a way to cut pollution.
French authorities raid Peugeot's offices during emissions probe
PSA Group says it is cooperating with authorities and that its pollution after-treatment system is effective.
Teslas pollute more in Hong Kong than gas cars
Tesla electric vehicles are tested to be dirtier in Hong Kong because of coal-based power sources.
We can ditch fossil fuels in 10 years, if we want to
The common wisdom that moving away from dirty fossil fuels will take ages is flat-out wrong, says professor Benjamin Sovacool.
Advocates: Mexico suffers 20,000 early deaths due to dirty air
Mexico needs to update heavy-duty vehicle emissions standards to protect citizens, cut pollution, advocates say.
Mexico City imposes driving ban as pollution soars
It's Mexico City's first pollution alert in 11 years.
Milan considers paying people to bike to work
Will cash incentives be enough to convince Milan commuters to bike to work?
Pigeon Air Patrol measures London air pollution
These pigeons don backpacks and respond to Twitter requests to measure air quality over London.