Walmart and other retail giants import millions of goods on polluting cargo ships

Earth continues to heat up, while governments sit idly by. Some see a savior in crowdfunding — but will it work?

One byproduct of California’s wildfires is far more damaging than greenhouse gases

CO2 levels went through the roof in 2013, as the world tried — and mostly failed — to slow down warming

Plan for CO2 reduction isn't going well as new projects show no sign on being constructed

According to a report, atmospheric CO2 saw the biggest one-year increase on record

The country's new climate commitment comes as it's grappling with the true cost of coal

Dirty air is thought to cause a number of negative reactions in the body, including metabolic disorders

Data released by the Japan Meteorological Agency confirm it

Passage of the first climate bill in the House is a big first step to cut global warming. But it's not enough

The impacts of climate change are only expected to get worse unless we slow our carbon dioxide emissions

If the worst offenders were a country, they'd be the world's seventh-largest emitter of C02

For the first time in recorded history, CO2 levels averaged above 400ppm for the entire month of March

New study finds lifetime CO2 emissions of electric scooters can be higher than high-ridership bus routes

Trauma surgeons push for more research into the causes of gun violence, 20 years after such efforts were silenced