The environmental group, Clean Air Network, says ozone pollution is still threatening people’s health despite a fall in air pollution in the Pearl River Delta region. Its Chief Executive, Patrick Fung, says ozone pollution is actually worse than it was...
The environmental group, Clean Air Network, says ozone pollution is still threatening people’s health despite a fall in air pollution in the Pearl River Delta region. Its Chief Executive, Patrick Fung, says ozone pollution is actually worse than it was...