131 million people in the US live in areas with unhealthy pollution levels, the lung association notes

Nearly 40% of people in the U.S. live in areas with unhealthy levels of air pollution, and the country is backsliding on clean air progress as the effects of climate change increase, according to a new report from the American Lung Association. The organisation’s report – the 25th annual analysis of the country’s ‘State of … Read more

The world has successfully tackled a dangerous pollutant. But did it accidentally warm the planet in the process?

The enormous cargo ships that traverse the world’s oceans sometimes leave behind “trails”: long, wispy clouds that travel across the sky and last for at most a few days before disappearing. These ghost clouds look beautiful, but they are a visible sign of deadly air pollution. They are formed when tiny sulfur dioxide particles belched … Read more

The world has successfully tackled a dangerous pollutant. But did it accidentally warm the planet in the process?

The enormous cargo ships that traverse the world’s oceans sometimes leave behind “trails”: long, wispy clouds that travel across the sky and last for at most a few days before disappearing. These ghost clouds look beautiful, but they are a visible sign of deadly air pollution. They are formed when tiny sulfur dioxide particles belched … Read more