All pesticides used in America have been exhaustively tested. Applied as directed, they're neither carcinogenic nor dangerous. But excessive amounts of anything may be harmful. Greens complain they're petroleum-based and we could run short of oil. New, better, more biodegradable ones are just around the corner.
Many greens oppose it.
And remember, property doesn't just mean land. Under pressure from environmentalists, logging, cattle-raising and rockhounding are being banned. Even recreation is increasingly restricted to a backpacking elite. Where nature's foolishness and excesses compound each other causing devastating diseases and disastrous fires. Humans have the intellect to wisely manage such areas.