> able to see the Himalayas for the first time in 30 years due to the lack of traffic pollution
One though regarding this. I think complicated and expensive emission controls on cars became grudgingly acceptable because it reduced smog - which people can see.
I wonder if anything would have happened if smog wasn't visible. For example, I wonder if particulates might be worse than smog.
One though regarding this. I think complicated and expensive emission controls on cars became grudgingly acceptable because it reduced smog - which people can see.
I wonder if anything would have happened if smog wasn't visible. For example, I wonder if particulates might be worse than smog.