Dallas puts finishing touches on green building code

The Texas city is one of the few large cities laying out strong, mandatory green building requirements. Read More

Walmart turns green roofs into research labs

The retail giant partnered with Portland State University to study the performance of its mammoth green roofs. Read More

EBay will add waste heat to power Utah data center

The company already uses fuel cells and biogas at the Salt Lake City facility. Read More

California's green chemistry law goes into effect

Instead of trying to determine how toxic specific chemicals are, the law asks why they are necessary at all. Read More

Silver Spring Networks launches Smart Metering-as-a-Service

The company first will target New Zealand with a service aimed at helping consumers better control energy use. Read More

FirstFuel’s virtual energy audits sniff out hidden opportunities

The company’s remote auditing software has proved adept at picking out low-hanging fruit. Read More

This resiliency plan makes New Orleans look like Amsterdam

Imagine getting around New Orleans by canal. In this vision, floating streets and 'water plazas' help to flood-proof the Big Easy. Read More

Carbon footprint from food waste bigger than most countries'

The world throws away 1.3 billion pounds of food every year. That's more greenhouse gas emissions than all but two of the world's nations. Read More

New Jersey becomes latest state to invest in microgrids

The state believes microgrids will provide protection and resilience for a transit system heavily affected during Superstorm Sandy. Read More

Dow and DuPont rank among the top 'Toxic 100' polluters

Which companies deserve the most blame for air and water pollution? Some of the worst offenders are also making progress in sustainability. Read More