Pollutionwatch: remembering world's deadly smogs

There are memorials in Belgium and the US – but London chooses not to mark the deadliest of allEarly winter was the time for smog in the UK. Most of the deadly smogs in London and Glasgow happened during November and December, but these were not unique to the UK. In Liège in Belgium’s Meuse valley, you can find a small statue dedicated to those who died in a winter smog in 1930. Smoke was trapped in the valley for five days. Hundreds of people experienced breathing problems an