BOSTON--(BUSINESS WIRE)--Apr 22, 2021-- 4AIR, the first and only rating system focused on comprehensive sustainability in private aviation, today announced that Jet Linx Aviation customers, including its Jet Card, Joint Ownership and Aircraft Management clients, can opt in to the 4AIR Level 1 Rating, under which the carbon dioxide (CO2) emissions from their aviation activity will be offset 100 percent, leaving their travel carbon-neutral. â4AIR is working with Jet Linx to help its customers drive positive change while accelerating the creation of a sustainable future for aviation,â said Kennedy Ricci, 4AIRâs president. âBy opting into the 4AIR Level 1 program, Jet Linx customers will fly carbon-neutral, helping to prevent climate change, protect the environment and support projects that promote sustainable economic development globally. As we mark Earth Day 2021, we applaud Jet Linx and its customers for their commitment to protecting our environment.â