Loads of chemicals and hazardous wastes have been introduced into the atmosphere that didn't even exist in 1948. The environmental condition of the planet is far worse than it was 42 years ago.
Franklin Roosevelt was very concerned about environmental issues.
Just as there's garbage that pollutes the Potomac river there is garbage...
It's always good to get a smaller tournament under your belt so that by the time you get to the Slams you have a lot of experience.