Category Archives: Building Emissions

The Energy Policy and Conservation Act – Still – Preempts Berkeley’s Ban on New Natural Gas Connections

Last week, the 9th Circuit voted against rehearing en banc its decision from last April finding the City of Berkeley’s ban on natural gas connections in new construction to be preempted by the Energy Policy and Conservation Act.  Judge Friedland, joined by seven other judges (and three senior judges!) dissented from the denial, writing a lengthy opinion fairly explicitly directed at judges from other Courts of Appeal that might hear cases addressing similar bans. … More

Boston Bans Fossil Fuels in New and Renovated City Buildings

On July 31, 2023, Boston Mayor Michelle Wu signed an executive order ending the use of fossil fuels in new construction and major renovations of city-owned buildings. Although city buildings comprise a small percentage of overall carbon emissions in Boston, the new executive order aligns with larger efforts to decarbonize both publicly and privately owned buildings throughout Boston.

The executive order covers both new city buildings and renovation projects affecting 75% or more of a city building’s square footage.… More

City of Cambridge Passes Ambitious Net Zero Building Ordinance

On June 26, 2023, the Cambridge City Council voted to amend the city’s Building Energy Use Disclosure Ordinance (BEUDO) to require large non-residential buildings to reach net zero greenhouse gas emissions by 2035 and mid-size non-residential buildings to do so by 2050. The BEUDO amendment sets one of the most ambitious municipal net zero building targets in the country and establishes a new benchmark for climate-focused cities—yet questions remain as to whether these goals can actually be achieved.… More

Next Up for Massachusetts Building Emissions Reductions: Tackling the Clean Heat Challenge

This week, the Massachusetts Commission on Clean Heat released its final report.  The report seeks to establish a framework for a long-term reduction in emissions from heating fuels, to align with the Commonwealth’s emissions reduction target of net zero by 2050 and the 2050 Decarbonization Roadmap.

According to the 2050 Roadmap, on-site combustion of fossil fuels in the residential and commercial building sectors presently accounts for about 27% of statewide greenhouse gas emissions,… More