Yes, one is with and the other without oxygen, and both divert waste from the landfill—but in terms of the end products, what is the advantage of anaerobic digestion? Simply put, does society face a shortage of compost or renewable energy?
Mar 14, 2014 NPR Morning Edition
After years of declining carbon-dioxide emissions in the U.S., and growing hope in the country's ability to meet President Obama's emission reduction targets, preliminary data indicates emissions from energy sources increased 2% last year
Jan 14, 2014 The Washington Post
Even as the world (unsuccessfully) tries to formulate a treaty to get nations to reduce their carbon emissions, researchers indicate it may be too late - the tipping point may have been reached. But what if CO2 could be extracted from the air?
Jan 8, 2013 The New York Times - Novelties
A new study produced by an international team of scientists focuses on efforts to reduce the production of two shorter-term pollutants, rather than carbon dioxide, that drive climate change.
Jan 16, 2012 The Washington Post
Carbon dioxide is one of the most widespread greenhouse gases produced by humans. Trees can absorb it, but release it when they die. Scientists are looking to build artificial trees to do the job permanently.
Aug 5, 2010 National Geographic
New research suggests that huge domes of carbon dioxide hover over urban areas, which is prompting some scientists and policymakers to stress the importance of cities as the frontlines of the war on greenhouse gas emissions.
Mar 18, 2010 Grist