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Learn about the draft Phase 3 Regulations for the Building Energy Use Disclosure Ordinance.

Help to Keep our City Fire Safe

Cambridge Fire Hydrants map.

Application to submit when applying for a Water Based Fire Protection System Modification Permit

Combined Sewer Overflow Control Measures to Improve Water Quality of Alewife Brook and Charles River

Get help lowering your monthly bills, planning all‑electric upgrades, and choosing clean, affordable electricity. Use this page to explore free services, rebates, and practical steps that make your home or building more efficient, climate‑friendly, and comfortable.

Application to submit when applying for a Non-Water Based Fire Protection System Modification Permit

When it comes to reducing greenhouse gas emissions and combating climate change, every little bit helps – including the steps you can take to be sustainable at home. Learn how to do your part by recycling, composting, and urban farming, as well as conserving energy and taking steps to prepare for flooding.

The City is working to reduce our community’s impact on the environment through waste reduction programs. The City collects and recycles more than 9,000 tons of materials annually. By stopping food waste from going to a landfill, we prevent greenhouse gas emissions.

Underwater search exercises are held monthly