We can cut air pollution drastically right now. Here's how | John Vidal

Initiatives such as car-free days in major cities show that our toxic air can be cleaned, and make bolder action thinkableI write this from St Martin's, one of the largest Scilly islands, where in five days spent among the 120-odd inhabitants I have seen only three moving cars, two tractors and a few boats. With 28 miles of Atlantic ocean in one direction between it and Cornwall, and just a few rocks before the US coastline in the other, St Martin's has some of the cleanest air in the world. Related: Air pollution linked to much greater risk of dementia Continue reading...