But it's being used to justify relaxing environmental standards.
Saving the world and adding some beauty to the landscape all in one.
"Everyone needs to do their bit ... to end this public health emergency."
If you live close to a traffic-heavy highway, you have a greater risk of being diagnosed with dementia.
New Delhi to drivers of old diesel cars: "Get 'em gone."
South Korea government wants to broaden EV adoption and eliminate older diesels as a way to cut pollution.
PSA Group says it is cooperating with authorities and that its pollution after-treatment system is effective.
The common wisdom that moving away from dirty fossil fuels will take ages is flat-out wrong, says professor Benjamin Sovacool.
Mexico needs to update heavy-duty vehicle emissions standards to protect citizens, cut pollution, advocates say.
It's Mexico City's first pollution alert in 11 years.