It is widely accepted that humans have been warming the planet by burning coal, oil, and natural gas for more than a century. The Earth has warmed almost 1.2 degrees Celsius (2.2 degrees Fahrenheit) since pre-industrial times, and the planet is poised to quickly surpass the hoped-for 1.5 degree Celsius warming limit. But few people… Read More »
Giant cargo ships crisscrossing the world’s oceans sometimes leave “trails” behind; long, wispy clouds that move across the sky, lasting a few days at most before disappearing. These ghost clouds look beautiful but are a visible sign of deadly air pollution. They form when tiny sulfur dioxide particles blown out of ships’ smokestacks interact with… Read More »
Giant cargo ships crisscrossing the world’s oceans sometimes leave “trails” behind; long, wispy clouds that move across the sky, lasting a few days at most before disappearing. These ghost clouds look beautiful but are a visible sign of deadly air pollution. They form when tiny sulfur dioxide particles blown out of ships’ smokestacks interact with… Read More »