The European Tour, which attracts a substantial number of top golfers from outside North America, ranks second to the PGA Tour in worldwide prestige. Some top professionals from outside North America play enough tournaments to maintain membership on both the PGA Tour and European Tour. There are several other men's tours around the world.
These, along with health and cost concerns, have led to significant research into more environmentally sound practices and turf grasses. The modern golf course superintendent is often trained in the uses of these practices and grasses. This has led to some mitigation in the amount of chemicals and water used on courses.
