Materials recovery

Safety-Kleen heads back to the public market

May 2, 2008 - Exclusive - Oil recycling and environmental services provider files for an IPO to raise up to $300 million on the NYSE.Full Story »
Dallas Kachan
The oil the USGS says is in them thar North American hills doesn't undermine cleantech initiatives.

Recycling and the Law of Unintended Consequences

It's no longer news that rising commodity costs (such as oil) have been making alternative commodity sources (say, like tar sands) increasingly cost-effective.

But it is news when the reverse happens.

A paper mill in the central Canadian province of Manitoba is no longer accepting paper for recycling because the price of newsprint has dropped so low that it's no longer cost effective to recycle.

Instead, the mill plans to simply cut down trees to make its paper.

Postcards from the San Francisco Cleantech Forum

February 29, 2008 - Exclusive - So that’s why attendees chose to stay indoors on sunny, fog-free days in San Francisco. What’s that? You weren’t one of them?Full Story »

Biofuel and plastics scuttlebutt

December 3, 2007 - Exclusive - Innovation funds. MBA expands. Virent hints. And Cilion, Gevo and LanzaTech consider address changes. It's the Cleantech Avenger!Full Story »

TyraTech cleans up cow pies

November 20, 2007 - Exclusive - The natural pesticide company tackles another agricultural problem by turning cattle waste into a peat replacement.Full Story »

Cleantech speed dating in San Francisco

November 8, 2007 - Exclusive - Fifty two cleantech startups presented at an investor conference today in San Francisco. We eventually had to say 'uncle.'Full Story »

Wal-Mart & Microsoft's new cleantech deals

October 25, 2007 - Exclusive - Two giants in their industries today signaled new initiatives to accelerate adoption of clean technologies.Full Story »

Pratt commits $1B to expand recycling

October 1, 2007 - Exclusive - Company plans three new recycled paper mills, four waste to energy plants and 30 materials recovery facilities.Full Story »

China clean coal IPO

July 19, 2007 - Exclusive - Should you invest in the upcoming Nasdaq float of a 51-person company with no revenue? Details of this and 12 other deals this week.Full Story »
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