If the growth in road traffic continues, it will cause unacceptable damage to the environment, admits the government's report on sustainable development. (newscientist.com)
Just how many weapons one needs for that depends on their survivability, the presumed accuracy of the first strike, and the number of weapons it takes to inflict unacceptable damage on the adversary. (politics.stackexchange.com)
In taking the rare step of revoking the permit, granted in 2007 by the Bush administration, the E.P.A. said that mining would have done unacceptable damage to rivers, wildlife and communities. (climatesciencewatch.org)