It's really not a new problem it's just that the population has grown so much that the effects of the same percentage of thoughtless people is greatly magnified by the sheer increase in their numbers.
My biggest peeve is by the smallest litter. The smokers that think the world is their ashtray and toss the butts out the window everywhere including the hills during high fire danger.
every Mt bike ride, every hike no matter where I go I find myself stopping to pick up someone's trash. jut pisses me off. Even my employees leave fast food bags and cups in the work vehicles at the end of the shift...We live in a worl d that forgot take only pictures leave only footprints