Everyone loves a breath of fresh air. Unfortunately, too often our air is anything but fresh. While air quality varies dramatically from place to place and day to day, nearly the entire world — about ...

Amy Cilimburg writes, Clean electricity powered by the sun is the future. It really is time to turn off fossil fuels and turn ...

A new study is the latest to suggest that reductions in atmospheric sulphur may be driving global warming at a rate faster ...

The overall benefits of clean air for our health, the environment and quality of life are immense and well established. At ...