Apple, Ikea and the quest for Zero Net Energy
A look at the big-name businesses trying to neutralize — not just reduce — the environmental impact of their power consumption. Read More
Data center giant Equinix sources clean power to cover California
A new contract with SunEdison represents the company's first utility-scale project. Read More
What Colgate-Palmolive, Campbell and GM share: carbon pricing
Some 1,000 global brands account for emissions internally or will do so within two years. Are names from Alcoa to Yahoo next? Read More
Apple, Microsoft, Motorola wring new revenue out of e-waste
Recycling is the last recourse for collection programs managed by reverse logistics company Li Tong Group, which prioritizes reuse of high-value components. Read More
Tracing conflict minerals proves elusive — and expensive
From Microsoft to Ford Motor Co., a range of companies are racing to meet stricter U.S. reporting requirements that take full effect next year. Read More
Solar farms could make fertile habitats for bees and butterflies
Why limit pollinator gardens to backyards? Non-profit Fertile Energy encourages utility-scale developers to plant wildflowers underneath solar panels. Read More
7 green drone companies (and counting) cleared for takeoff
The FAA has approved more than 800 tests of unmanned aerial vehicles, dozens of them for potential precision agriculture. Read More
Tesla, Stem boost business case for energy storage
High-power battery providers are wooing buyers including Adobe Systems and Extended Stay America hotels. Read More
Sprint, Staples, Kimberly-Clark: the litmus test for wheat-straw paper
Wireless giant teams with Woody Harrelson-backed startup in an industry-first test aimed at reducing dependence on wood pulp. Read More
Unilever wants you to reinvent sustainable living
A new phase of its Foundry collaboration initiative seeks input from the general public and entrepreneurs on three "grand challenges." Read More