David A. Fahrenthold's October 27, 2009 Washington Post article "Ailing Planet Seen As Bad For Human Health" discusses a study of how climate change hurts human health and that the "warming planet is likely to leave more people sick, short of breath or underfed" (http://www.washingtonpost.com/wp-dyn/content/article/2009/10/26/AR2009102602402.html. Even if emissions are capped, the damage is already done (ibid).
But even if the damage is already done, we can do something to prevent more damage: use totally green, emissions-free energy. With no emissions, there's no more pollution to add to the problems. It can happen. It will help. For more information, please see www.terrahumanafoundation.org.