🌍 AirPollution claims 7 million lives each year. Ella died from a serious asthma attack when she was nine. Since the heartbreaking loss of her daughter, Rosamund has been a relentless advocate for the right to clean air. Watch her story! World Health Organization (WHO) @WHO · 4 天前 你的浏览器不支持视频播放。 0:00 / --:--