雾霾天

导读:即便超过一半的人在雾霾天会佩戴口罩，但口罩的防霾功效却饱受质疑。Over half of respondents say they wear masks on smoggy days but nearly 60 percent doubt their effectiveness, according to a survey by China Youth Daily

导读:入冬以来，我国华北地区就频频上演大雾霾天，一些地方甚至是出现持续的重度污染。不少家长出于对孩子们的关爱，决定将他们送往没有雾霾的华南地区。对此，你怎么看？BEIJING --To escape the winter smog, a growing number of Chin

Walking or cycling is good for you even in polluted cities, researchers have found.研究人员发现，即使在有空气污染的城市，行走或骑车也是对健康有益的。The health benefit of physical activity outweighs the harm caused by ch

More than 100 million people in China have been warned to stay indoors after at least 10 Chinese cities issued red alerts this week in response to forecasts of heavy smog.本周，中国至少十个城市相继发布严重雾霾天气红色预