Filling in the few fields of an online petition seems like literally the least we can do. But combined with other actions, online petitions can work.
protest
We All Need Good News and Here It Is

While the bad news on the environment has been very bad, the good news has been very good. If you’ve been feeling hopeless, here is some relief.
12 Simple Strategies to Cope with Ecoanxiety

The American Psychological Association defines ecoanxiety as “A chronic fear of environmental doom.” If you have ecoanxiety, try these coping strategies.
Why Bother?

You completely change your lifestyle on your zero-waste journey but those around you don’t seem to care. Why not simply throw in the paper towel?