Apple, IKEA, Walmart: 12 leaders in on-site renewables

From rooftop solar for mega-retailers to wind farms powering massive data centers, these companies lead the pack when it comes to clean energy. Read More

Rocky Mountain Institute merges with Carbon War Room

Richard Branson meets Amory Lovins with merger of climate-centric non-profits aimed at accelerating their combined impact. Read More

How She Leads: Joyce Dickerson, Google

Trained as an industrialist engineer, she spearheads energy efficiency and "sustainable IT" across the company's massive data center portfolio. Read More

How She Leads: Sara Greenstein, Underwriters Laboratories

This Illinois farm girl and "citizen of the world" is passionate about the power of a science-based sustainable supply-chain strategy. Read More

What Google knows about greener offices

More high-tech and healthcare companies are turning to nature-loving workspaces that spark creativity and productivity. Enter biophilic design. Read More

The 2014 Dow Jones Sustainability Index: Abbott to Woolworths

Here's the 2014 update to the world's oldest financial index that overlays sustainability strategy with financial performance. Who's in and who's out? Read More

13 companies sowing solutions for food resilience

Big Data is among the most fertile approaches to address food scarcity and waste. Here are some intriguing examples of how it's being applied. Read More

Ioxus, Maxwell, Win Inertia bet on ultracapacitors to store energy

While they can't capture as much energy as batteries, the technology is finding advocates in the transportation sector. Read More

How She Leads: Letitia Webster, VF

As it prepares benchmarking tools, the apparel giant's sustainability director trains her team — and VF's 60,000 employees — for an "ultramarathon." Read More

Michael Berkowitz: Community is the secret of urban resilience

With 32 cities on board, the 100 Resilient Cities CEO seeks to architect cities that can rise above chronic climatic, social and economic stresses. Read More