estimated years lost due to that particular sort of pollution. tell us a little bit more about this. the ollution, us a little bit more about this. the pollution. you us a little bit more about this. iie: pollution, you know, us a little bit more about this. tie: pollution, you know, it us a little bit more about this. ti2 pollution, you know, it is not an accident, it comes from the burning of the same fossil fuels that are causing climate change. and it is an unwanted by product, and it is you know, in the past, several decades ago, london was extremely dirty. it is not a law of nature that you have to have high levels of pollution but what it requires to get reductions are full c4 policy, which is preceded often by very careful measurements at the local level, and then governments executing on the public s demands. and into many parts of the world, what we have is a kind of darkness about this, there