The Most Innovative Countries In Clean And Alternative Energy.

A part of a series of four articles that examine the scientific output of different countries in biology, computer science and clean energy is presented. The U.S. leads in the scientific publications of research into clean and alternative energy, with 233,787 papers published from 2005 to 2009. Data from Elsevier's unit, SciVal Analytics showed that China is fast gaining on the U.S. when it comes to information technology publications.