CNET News.com's Michael Kanellos explores a rapidly expanding sector in the world of green tech. It's biopesticides, which refers to the use of helpful microorganisms to fight those that damage farm or garden products. Kanellos spoke with the president of AgraQuest, one of a rising number of companies promoting biopesticides.
Purfresh, an ozone-purification company, makes Intellipur to monitor quality and sources of trouble related to food or drinks en route to grocery store shelves.
A couple of start-ups say medicinal foods can help world health and be a lifestyle accessory.
Australian company Ioteq says the iodine in its Isan system will kill bacteria better than chlorine or ozone will--and it won't cost more.
Start-up touts phermone-chasing system
blog Marrone Organic Innovations is tinkering with a way to use components of an herbal medicine as an organic weed killer.