Google to enter clean-energy business. It's a search engine, it's a $700 stock, it's a clean energy investor. Google surprised many this week with plans to get into the renewable energy business. Skeptics and fans await results. Roundup.
Can baking soda curb global warming? A start-up in Texas says it can turn the carbon dioxide emitted by power plants into baking soda. CNET News.com.
Ethanol Craze Cools As Doubts Multiply. Corn-based ethanol is considered renewable energy but it continues to draw fire from environmentalists, locations that host refineries, and, increasingly, investors. The Wall Street Journal.
Cleaning Up Greenwashing. The U.S. Federal Trade Commission will review "green" marketing guidelines. Greentech Media.