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A look at good vs. destructive bacteria

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.

November 1, 2007


Tracking food safety with clean tech

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.

By July 25, 2008


The cheese that kills, and other nutraceuticals

A couple of start-ups say medicinal foods can help world health and be a lifestyle accessory.

By December 10, 2007


Killing fungi and bacteria, the Aussie way

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.

By December 7, 2007


Ozone keeps fruit fresh on the high seas

Novazone uses remote-controlled blasts of ozone to keep fresh produce from spoiling at sea.

By April 22, 2007


Killing fungi softly, with ozone

Oxygen is cheap and plentiful--and a company in Livermore, Calif., is using it to kill pests on your fruit. Photos: Novazone's pest killer Video: How biopesticides work

By March 15, 2007


A jug that keeps moths in check

Start-up touts phermone-chasing system

By February 22, 2007


Hepatitis C medicine enlisted to kill weeds

blog Marrone Organic Innovations is tinkering with a way to use components of an herbal medicine as an organic weed killer.

By February 20, 2007


Killing bugs with nature

special report Scientists make big business out of organic pesticides as an alternative to chemicals.

By April 11, 2006


Attack of the killer microbes

Don't want to eat genetically engineered corn? How about vegetables sprayed with killer bugs? It works, say advocates.

By January 25, 2006