They Covered the Sky, and Then... (2014)
nybooks.com> Perhaps, in ethical terms, it doesn't much matter whether overhunting was or was not the sole cause of the passenger pigeon's extinction. Practically speaking, though, it matters a good deal.
> Perhaps, in ethical terms, it doesn't much matter whether overhunting was or was not the sole cause of the passenger pigeon's extinction. Practically speaking, though, it matters a good deal.