If you've ever booked adventure travel, or really any other sort of package travel, through a tour operator, chances are you've had at least a few moments of that pit-of-the-stomach anxiety as you type in your credit card number or put that check in the mail. What if it isn't as promised? What do you really know about this company you're entrusting with your money and safety?

The Adventure Travel Trade Association (ATTA) is working on a simple but useful solution, which will allow you to focus your moments of anxiety on the seconds before cliff diving or hitting a particularly dicey set of rapids, not on the booking process. Its new Adventure.Travel website features listings screened for reliability and credibility.