Venison is the most eco-friendly food on the planet — if you hunt the deer yourself
Then there’s Lyme disease, which is carried by deer ticks, which are carried, of course, by deer. In 2000, one community in Connecticut, overrun with deer, reversed its no-hunting ordinance, and scientists stepped in to monitor the results. Over seven years, deer density dropped 87 percent, and cases of Lyme disease dropped commensurately (by 80 percent).
Source: WP