Natural pesticides

Disinfecting with radio frequencies

David Ehrlich — Mon, 30 Jun 2008 15:10:48 -0400

RF Biocidics is developing a novel system to clean up food and agriculture products.

Rubber, water and waste get investor interest

David Ehrlich — Thu, 19 Jun 2008 11:56:52 -0400

A desalination components group sets terms for an IPO, and a rubber recycling company and waste conversion firm pull in some cash, along with 13 other deals we spotted over the past week.

The Toronto Cleantech Forum in pictures

Dallas Kachan — Fri, 26 Oct 2007 14:50:09 -0400

Couldn't make the Toronto Cleantech Forum? See what you missed.

Wal-Mart & Microsoft's new cleantech deals

Dallas Kachan — Thu, 25 Oct 2007 17:16:34 -0400

Two giants in their industries today signaled new initiatives to accelerate adoption of clean technologies.

Don't let the bedbugs bite

David Ehrlich — Mon, 27 Aug 2007 15:47:45 -0400

Florida's TyraTech is building a better pesticide with one part Mother Nature and one part biotech.

Growing food and flowers in air

Dana Childs — Fri, 18 May 2007 16:26:17 -0400

Hydroponics are passé. Organic aeroponics are where it's at, according to a Nevada company.

Still time to start a China solar co.?

Dana Childs — Thu, 17 May 2007 12:30:27 -0400

With three more Chinese solar IPOs to watch for this week, we want to fly to Beijing and start a factory ourselves. Plus details of 9 more deals we saw this week.

Ethanol byproduct has weed-fighting potential

Dana Childs — Wed, 16 May 2007 10:32:55 -0400

The U.S. Department of Agriculture's chief scientific research agency is working on new uses for dried distillers grains.

Two more IPOs to watch for

Dana Childs — Thu, 10 May 2007 12:29:50 -0400

A British solar co. and California clean fuel co. are soon to trade publicly. Read about these, and almost $1B trading hands, in this week's roundup.

Another week, another three Khosla biofuel investments

Dana Childs — Thu, 15 Mar 2007 13:04:53 -0400

Brenco, Gevo, Oorja and other oddly-named companies got money this week, as did Ascent Solar and Akeena. Read details of the 16 deals we tracked.