@CNN: More than 95% of the world’s population is breathing unhealthy air and the poorest nations are the hardest hit, a new report has found https://t.co/ljzNmIBKBU https://t.co/D0LLfRpWHd

@CNN: More than 95% of the world’s population is breathing unhealthy air and the poorest nations are the hardest hit, a new report has found https://t.co/ljzNmIBKBU https://t.co/D0LLfRpWHd