All I know about thermal pollution is that if we continue our present rate of growth in electrical energy consumption it will simply take by the year 2000 all our freshwater streams to cool the generators and reactors.
I didn't make my first solo record until 1981 so I don't have any 60's or 70's recordings but I am working on a large boxed set called DUST to be released next year the 20th anniversary of my first solo record.