The Green Fins Dive Guide e-Course is a FREE online course designed to help dive professionals reduce the negative impacts of SCUBA diving on the underwater environment and conduct more environmentally friendly dives. The Green Fins Dive Guide e-Course is the only course which teaches dive professionals how to prevent diving-related damage to coral reefs by following the highest environmental standards, as set out by the Green Fins initiative. Dive guides can take this course - FREE of charge - whether or not their dive operator is a Green Fins member.