Since 1970s, loose association of conservation-minded urban areas has grown up worldwide.
Organic waste becomes salable compost – and millions in carbon credits.
Secretary of State Hillary Clinton wrapped up her trip to Japan, South Korea, Indonesia, and China on Sunday. Her aim was to reenergize key ties to the region.
Readers write about a cap-and-trade policy for CO2 emissions, why the West shouldn't lecture China about greenhouse-gases, the need for Afghanistan's neighbors to help contain the volatile country, and mandatory service in the US.
Even if all the world's smokestacks and tailpipes were to suddenly stop spewing CO2, if all the trees everywhere were to be left standing, and if all the remaining coal, oil, and gas were to stay in the ground, the planet would still be feeling the effects of global warming a millennium from now.
Rather than a call to throw up one's hands in discouragement, the results show the importance of acting quickly to reduce emissions and so limit the very long-lived effects
World carbon emissions will essentially have to come to a halt by midcentury to avoid severe disruption of the earth's climate system, warn the 47 authors of the Worldwatch Institute's book, 'State of the World 2009: Into a Warming World.'