Justin Smith | Source | President at Evolved Traveler

While this is convenient to offer and looks good, the degree of consumer engagement is negligible, estimated between 1 percent and 3 percent. The issue is that airline offsets are transactional, initiated by the consumer at check-out, and this does not produce tangible results in its current form. The primary reasons are that there is no universal system to purchase offsets across airlines, it's confusing and often hard to find and, understandably, most consumers do not know exactly what they are paying for and will bypass the option.