U.S. Firm Converts Pollution Into Fuel, Bottles And Dresses

At LanzaTech's lab in the Chicago suburbs, a beige liquid bubbles away in dozens of glass vats.

Photo Insert: To date, LanzaTech says it has kept 200,000 metric tons of carbon dioxide out of the atmosphere while producing 50 million gallons (190 million liters) of ethanol.

The concoction includes billions of hungry bacteria, specialized to feed on polluted air -- the first step in a recycling system that converts greenhouse gases into usable products, Agence France-Presse (AFP) reported.

Thanks to licensing agreements, LanzaTech's novel microorganisms are already being put to commercial use by three Chinese factories, converting waste emissions into ethanol.

That ethanol is then used as a chemical building block for consumer items such as plastic bottles, athletic wear, and even dresses, via tie-ins with major brands such as Zara and L'Oreal.

"I wouldn't have thought that 14 years later, we would have a cocktail dress on the market that's made out of steel emissions," said microbiologist Michael Kopke, who joined LanzaTech a year after its founding.

LanzaTech is the only American company among 15 finalists for the Earthshot Prize, an award for contributions to environmentalism launched by Britain's Prince William and broadcaster David Attenborough. Five winners will be announced Friday.

To date, LanzaTech says it has kept 200,000 metric tons of carbon dioxide out of the atmosphere while producing 50 million gallons (190 million liters) of ethanol.

That's a small drop in the bucket when it comes to the actual quantities needed to combat climate change, Kopke concedes. But having spent 15 years developing the methodology and proving its large-scale feasibility, the company is now seeking to ramp up its ambition and multiply the number of participating factories.

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