Hello and welcome to my new blog titled Positive words, thoughts and theories. In the past, over many millions of years, volcano's have thrown up massive amounts of ash, smoke and dust into the atmoshere. More than all of modern industry put together. The earth re-adjusted and the earths natural thermostate made the neccessary adjustments to bring the earths temperature back to normal. What an amazing living planet, full of positive energy. MichaelJ Fisher Author of The Positive Word Dictionary