Marc Gunther

GreenBiz.com senior writer Marc Gunther is a longtime journalist and speaker who focuses on business and sustainability. Gunther maintains a blog at MarcGunther.com. You can follow him on Twitter at @marcGunther.

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How Hilton measures sustainability
By Marc Gunther, July 12, 2012
Get a look inside how the company developed a proprietary platform that tracks key metrics in its hotels all over the world.
Growing the plant-based plastics industry: Cargill's NatureWorks
By Marc Gunther, July 09, 2012
Ingeo, a bioplastic and industrial resin, has reduced dependence on oil-based plastics and found its way into containers, carpets and clothing.
Opower aiming for revolution in energy efficiency
By Marc Gunther, June 27, 2012
This revolution will definitely not be televised -- it's being delivered via facebook apps, plus old-fashioned technology like letters that show customers how their energy usage compares to...
eBay's renewable energy bloom latest in green data center race
By Marc Gunther, June 22, 2012
eBay will expand its data center using fuel cells -- the largest such installation not implemented by a utility.
Why efficiency is smarter than renewables
By Marc Gunther, June 15, 2012
Why real estate is the largest source of clean energy, largely untapped.
Sustainable business comes to the White House
By Marc Gunther, June 12, 2012
Corporate executives lobby Washington every day. Not many come to plead for higher taxes and stronger regulation. This week, that changed. Learn how in our exclusive report from the White House....
Biofuels, food drive St. Louis dreams of a plant revolution
By Marc Gunther, June 07, 2012
Plants -- the green, leafy things, not factories -- are key to feeding the hungry and fueling vehicles sustainably. Here's a look at Donald Danforth Plant Science Center, which is tackling...
Inside Mars' science-based quest for sustainability
By Marc Gunther, June 01, 2012
The company talks more about why it's setting a zero emissions goal for its offices and factories by 2040, and how its sustainable sourcing goals could have a big impact on the way cocoa is...
Can Mozambique be a model for sustainable food, fuel production?
By Marc Gunther, May 29, 2012
Biotech company Novozymes has launched an energy-and-fuel company in Mozambique that makes ethanol from cassava for use as a cooking oil.
Food marketing and the childhood obesity problem
By Marc Gunther, May 25, 2012
When big food companies market highly processed products to kids as healthy choices, they're part of the childhood obesity problem.