Tilde Herrera

Three years before Walmart announced it would squeeze 20 million tons of greenhouse gas emissions from its supply chain, the retailer rolled out its Supplier Energy Efficiency Program with the goal of helping its suppliers save electricity and money, in turn bringing down the price of products. Read More

Nike's corporate responsibility agenda has evolved from one based on risk and reputation management to being a source of innovation, a change that has yielded not only new products, but a shift in the way Nike thinks about doing business, according to Hannah Jones, Nike's vice president of corporate responsibility. Read More

Oct. 1 marks the official start of the first phase of Walmart's Sustainability Index, which offers both a huge business opportunity for suppliers and a potentially huge environmental business for the bumper crop of consulting and accounting firms springing up to help them navigate the journey. Read More

The Transportation Safety Agency banned liquids from carry-on bags exactly three years ago this week, forcing millions of travelers to check their luggage or throw away bottled drinks and toiletries. Some airports are toying with new programs to both trim the mountains of waste and the expense of processing it. But one airport found a way to cut the costs. Read More

The Hertz Corp. is tackling one of the most common complaints in the car rental industry with a biodegradable, non-toxic product that saps the stench from stinky rental cars without comprising air quality or aggravating allergies. Read More

Deutsche Bank and MIT unveiled the world's first scientifically valid, real-time display of greenhouse gas emissions in the atmosphere. Read More

KPMG, one of the “Big Four” public accounting firms, has embraced green IT to help the company reduce its carbon footprint. The jewel in the crown of its efforts is a new technology center with a cogeneration system that satisfies 70 percent of its electricity needs and captures excess heat to provide cooling. Read More

Golf courses in the Arab region use enough water to satisfy the needs of thousands of people. Yet their numbers are growing, illustrating the conflict between economic development and depleting natural resources, according to a new report. Read More

Tesco is charging ahead with its plans to slap a carbon label on all of its private label products to denote the amount of greenhouse gas emissions it takes to produce each item. Next up: toilet paper and paper towels. Read More

Republic Services Inc. has converted a landfill cover into a flexible solar power generating system in what could be the first of several projects in the South Texas region. Read More