Agence France-Presse: Scientists in New York on Tuesday touted an experimental plan to lock carbon dioxide gasses underground and prevent big polluters like China and the United States from wrecking the world’s climate. The idea, called carbon capture and sequestration, or CCS, is at the cutting edge of attempts to dramatically reduce CO2 spewed by industrial plants into the atmosphere. The technology exists, but is little tested and a group of energy companies, academics and state officials hope to …