Heat waves with triple-digit temperatures across the U.S. underline the critical role building codes can play in making buildings more energy efficient and cutting greenhouse gas emissions.

Massachusetts legislators passed a compromise bill that includes a heavy offshore wind focus and provisions to boost EVs, green buildings and renewable energy.

A California study examines what it will take to encourage residents — and builders — to adopt heat pump appliances.

Maura Healey is focusing on climate in the race to replace Charlie Baker as Massachusetts governor.

Many are disappointed that a proposed net-zero building code for Massachusetts does not allow municipalities to ban fossil-fuels in new construction.

Massachusetts legislators say that allowing fossil fuel heating in new buildings under a proposed net-zero building code does not make sense.

Updating building codes is “one of the easiest things we can do" to reduce emissions, Energy Secretary Jennifer Granholm said at a DOE conference.