If Hong Kong is to tackle bad air seriously, it needs policies to specifically deal with roadside pollution. Photo: Sam Tsang If Hong Kong is to tackle bad air seriously, it needs policies to specifically deal with roadside pollution. Photo: Sam Tsang
If Hong Kong is to tackle bad air seriously, it needs policies to specifically deal with roadside pollution. Photo: Sam Tsang

Paying for clean air can never be too expensive

If Hong Kong is to tackle bad air seriously, it needs policies to specifically deal with roadside pollution. Photo: Sam Tsang If Hong Kong is to tackle bad air seriously, it needs policies to specifically deal with roadside pollution. Photo: Sam Tsang
If Hong Kong is to tackle bad air seriously, it needs policies to specifically deal with roadside pollution. Photo: Sam Tsang
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