Proposed regulations to create a benchmarking system and strict carbon emissions levels from buildings of more than 35,000 square feet in Maryland face tough criticism from real estate interests.

The networked heating systems New York wants to test on a pilot scale hold promise for the environment and society but are taking time to design.

The BENEFIT program will support DOE's Affordable Home Energy Shot, aimed reducing the cost of home upgrades for affordable housing by at least 50% while also reducing energy bills by 20% within a decade.

The Department of Energy is proposing efficiency standards it says will save Americans billions on the operation of their water heaters and eliminate millions of tons of carbon emissions.

The nation’s largest public housing authority is trying to jumpstart development of lower-voltage cooking equipment so more of its half-million residents can switch away from gas stoves.

Recent public hearings provided mixed views on New Jersey's ambitious plans for cutting greenhouse gas emissions from buildings through energy efficiency and electrification.

New York’s conundrum is how to ensure grid reliability and resilience as it calls for fossil fuel resources to be replaced by intermittent resources.

The $50 million program selected six real estate partnerships to help implement advanced heat and water housing technologies in high-rises across New York.

Gov. Charlie Baker has an amended climate bill on his desk after a flurry of weekend action at the State House.