Three key U.S. Senators who have been working on a Senate equivalent of the Waxman-Markey cap-and-trade bill approved by the House of Representatives eight months ago appear to be getting nowhere.
The New York Times earlier …

The Copenhagen climate talks ended in bitter disappointment for many countries. The rumblings have most focused on how unproductive and complicated the U.N. negotiating process is and on how to make it easier to navigate …

Agricultural soils are among the planet’s largest reservoirs of carbon and hold significant potential for expanded carbon sequestration, experts say.
 
Difficulties in measuring and monitoring changes in soil carbon stocks to date have limited efforts to …