Which country has the most acidified lakes in the world and how many are currently acidified?
Ask a question about acid deposition, photochemical smog, the global climate impact
Report a "hot news item" - something about air pollution, photochemical smog, ozone, VOC emissions, acid depositions, big changes over eons and epochs, factors that influence climate, the " Greenhouse Effect," or any other related topic in the news this year or last year.