Bloggers had a lot to say about food this week:

Tom Philpott at Gristmill contrasts the U.S. and Canadian approaches to regulating the use of ethanol distillers grains in cattle feed. Guess which country’s regulators think the important thing is leaving cattle owners free to feed their animals whatever they please, even if the substance in question has been linked to beef being tainted with a deadly strain of E. coli?

Elanor at The Ethicurian (via Enviroblog) warns that EPA wants to deny communities information about the toxic gases coming out of confined animal feeding operations.

Lisa Stiffler at Dateline Earth brings us the latest news about the effects of global warming and overfishing on salmon and other marine fish populations.

Benjamin Cohen at The World’s Fair recaps recent articles about local food and energy efficiency, and shares an interesting finding from research on the energy use of a Charlottesville farmers’ market.

Elsewhere:

Roy M. Poses MD at Health Care Renewal reports on the recent revelations that authors of a widely publicized study about using CT scans to screen for lung cancer held patents on the screening technology and received money from the tobacco industry.

Janet D. Stemwedel at Adventures in Ethics and Science highlights a group of scientists’ call for their scientific peers to communicate more effectively with the public about the role of research on animals in producing scientific knowledge, in the wake of attacks on the homes of medical researchers by “animal rights” activists.

Christine Gorman at Global Health Report tells the story of Loretta Tofani, the reporter behind the “American Imports, Chinese Deaths” Salt Lake Tribune series about the terrible conditions in many Chinese factories manufacturing products for the U.S.

Mike Dunford of The Questionable Authority shares a personal story that helps capture the enormous cost of military operations in Iraq.

Tara C. Smith at Aetiology explores the threat of emerging pox viruses – reminding us that the story doesn’t end with the eradication of smallpox.

Ana Campoy at Environmental Capital explains that the drop in U.S. gasoline demand – it’s been falling for a record-setting 10 weeks in a row – is largely due to declining personal incomes, and that growing demand in other countries will offset it.

Climate Progress gives us the numbers on clean technology gains.