I would like to announce the Gaia 2007 Conference and Call for Papers. Itwill be an interdisciplinary Earth systems and Climatic Change internationalconference taking place April 19-20 2007 on the Rio Piedras Campus of theUniversity of Puerto Rico. All interested scientists in the areas of Lifeorigins, environmental science, biology, biochemistry, biophysics, andsocial sciences are encouraged to attend and/or send a paper before theextended February 15 deadline.********************************************************** Ramon Lopez Aleman, Ph. D. Profesor - Departamento de Ciencias Fisicas Universidad de Puerto Rico, Recinto de Rio Piedras **********************************************************