Morning Jo(ke) “Clean coal is a bit like wearing a porous condom - at least the intention was there.” - Robin Williams Greening Pastures Fireworks have long been used by cultures across the globe as a wondrous exhibit of power and beauty. Celebrations like Diwali, Chinese New Year, and the USA's Independence Day have become synonymous with jaw-dropping displays, but now the world is starting to take a step away from the nearly 2,000 year-old tradition.