What is air pollution, where does it come from and what can we do about it?
https://www.youtube.com/watch?v=e6rglsLy1Ys What is air pollution? How do greenhouse gases, smog, and toxic pollutants affect climate change, and human health. Interesting video from the National Geographic. Air pollution consists of chemicalsor particles in the atmosphere, that pose serioushealth and environmental threats.But what causes air pollution?And what does it mean for our planet?Some air pollution comes from […]