Answering challenge of a warming planet <A HREF="http://www.baltimoresun.com/news/opinion/oped/bal-ed.le.qmwarming26jun26,0,2455022.story?coll=bal-oped-headlines" target="_blank">http://www.baltimoresun.com/news/opinion/oped/bal-ed.le.qmwarming26jun26,0,2455022.story?coll=bal-op...</A>