Arizona Daily Independent headlines Global warming may be an unintended consequence of the EPA rule on sulfur March 5, 2014 Jonathan DuHamel
Arizona Daily Independent headlines Volcanic rocks of “A” Mountain and Tumamoc Hill February 25, 2014 Jonathan DuHamel
Arizona Daily Independent headlines Claim: Arctic getting darker, making Earth warmer February 20, 2014 Jonathan DuHamel
Arizona Daily Independent headlines California drought caused by nature and politics February 18, 2014 Jonathan DuHamel
Arizona Daily Independent headlines Cold Case: What Killed the Mammoths? February 9, 2014 Jonathan DuHamel
Arizona Daily Independent headlines Failure of climate models shows that carbon dioxide does not drive global temperature February 6, 2014 Jonathan DuHamel
Arizona Daily Independent headlines Pima County still trying to scuttle Rosemont Mine February 4, 2014 Jonathan DuHamel
Environment/Nature The Myth of Ocean Acidification by Carbon Dioxide January 28, 2014 Jonathan DuHamel