And on this point, Trump is misinformed. There is always an abundance of fallen trees, limbs, leaves, and needles. We have no way of possibly clearing that and keeping it clear, and it isn't a problem, anyways.
In addition to the lack of water, instead of allowing natural fires to burn, which clears out overgrown forests, these fires are put out. The other major problem is a lack of selective logging, which cuts down on the overgrowth.
Besides, this is God's way of encouraging celebrities to leave the United States.