The Hockey Schtick:
A paper published in Science finds another non-hockey-stick in Bolivia with temperatures during the Medieval, Roman, Egyptian, Minoan, and Holocene Climate Optimum all higher than modern temperatures.
Top dark line in graph is d180, a proxy for temperature and precipitation. Higher values represent higher temperatures. Horizontal axis is thousands of years before the present.A 25,000 year tropical climate history from Bolivian ice coresÂ
Science, Volume 282(5295), 1858-1864, 1998.
