Support for the stick.

• Autores: Charles Q. Choi
• Localización: Scientific American, ISSN 0036-8733, Vol. 295, Nº. 3, 2006, págs. 38-38
• Idioma: inglés
• Texto completo no disponible (Saber más ...)
• Resumen

  • This article reports that scientists connected with a 2001 report by the Intergovernmental Panel on Climate Change (IPCC) found in an analysis of Northern Hemisphere temperatures over the past millennium, a sharp rise started around 1900. Their claim that human activity caused the sudden warming drew fire from politicians and critics, but the National Research Council now lends support to this report.