Emily K. Shuman, M.D., New England Journal of Medicine, March 25, 2010. The 2009 United Nations Climate Change Conference in Copenhagen ended on December 18 without passage of a binding resolution for tackling global climate change. With the debate over U.S. health care reform raging, this event went largely unnoticed by the U.S. health care community. However, climate change will have enormous implications for human health, especially for the burden of vectorborne and waterborne infectious diseases. Download the journal article here.