I've signed and so has DH. I've distributed the link to lots of family and friends,
Educational campaigns are the way to go, so children go home and tell their parents off!
I have used AI to help me plan a 6 month anti-litter campaign - template letters to local MPs, schools, parish council, adverts to get people out picking litter, awareness in local papers and on SM groups,
it has to become as stigmatised as drink driving and smoking, peer pressure is powerful.