Flying Clean Alliance members, Stop Fooling California, have launched a new petition and a major ad campaign calling on United Airlines to stop helping oil-giant Chevron block clean energy in California.

Here’s the ad Stop Fooling California are running on major news sites in the Golden State:

Tell United Airlines to stop helping Chevron turn the clock back toward a dirty energy past. Tell them to withdraw from the oil giant’s front group, and instead help California keep moving forward to a clean energy future.