Hydrofluorocarbons Have Replaced Hydrochlorofluorocarbons as a Propellant in Many Products in Recent Decades. Though They do Not Attack The Ozone, They Still Have Negative Effects on The Atmosphere and The Environment. They Also Make Cool Photos.
The Aquarium Trade is Near and Dear to My Heart. However Over Harvesting, Unethical Breeding, Uneducated and Poor Care of Animals Have Taken a Toll On The Reputation of The Industry.