Earlier quoted context omitted.
You and billions of others are doing it. Yet people act surprised when articles about insect and worm population collapse come up.
Billions of people are picking up leaves? The total area of ‘yards’ where leaves are picked up is so utterly insignificant that I wonder if you have ever been outside. In any case, the article is about D.C. and, regrettably, there will never be a shortage of worms in the capitol.
Public parks, office perimeters, college campuses, busy roadsides, and yes, home lawns are all locations where people gather up leaves to burn them or send them off to the garbage. These are spaces in which billions of people spend all day and expect to be “cleaned” of leaves, so yes, the impact is significant.