Exit Interview: Bob Langert, McDonald's

Last week, Bob Langert retired after 32 years at McDonald’s Corp., 27 of them heading the company’s sustainability operations. Here's some of what he did and learned, and the three things that made him stand out. Read More

From Al Gore to Solyndra, 4 ways culture shapes the climate debate

Embedded within the economic and technological challenges apparent in the debate over climate change are much deeper cultural divides. Read More

How floating farms could help feed 9 billion people sustainably

It sounds crazy, but self-sufficient communities in the middle of the ocean could help relieve the pressures of a rapidly-growing global population. Read More

PR giant Edelman cuts ties with oil industry

World's largest public relations firm walks away from the gas and oil industry, including the $327 million American Petroleum Institute account. Read More

Why care about conflict minerals? Customers and investors do

Far-away raw materials may seem like a simple cog in the supply chain for large businesses, but blatant human rights abuses are both ethically and financially volatile. Read More

State of Green Business: Supply chain transparency ramps up

Companies increasingly realize that risk resides in their supply chains. Read More

The environmental mortgage: Microfinance meets ecosystems

Microfinance models long have been used to encourage economic opportunity amid extreme poverty. Expand that strategy to include investments in natural capital and the results could get even more interesting. Read More

Levi's water initiatives make green while saving blue

Levi Strauss & Co. is a pioneer in water-saving sustainability innovations. Levi's Michael Kobori discusses the company's three-pronged approach. Read More

Resilience is the New Sustainability

Michael Kramer describes how investing needs to take ecological and geopolitical climate into account in his new book, The Resilient Investor. Read More

Inside Citi’s plan to deploy $100 billion for cities, renewables, climate

Financial titan Citi shares its new sustainability game plan with GreenBiz. Read More