Photo of Jo Comerford
D Massachusetts Senate · District Hampshire, Franklin and Worcester On the 2026 ballot

Sen. Jo Comerford

Compare
Total votes
1,093
all sessions
Attendance
100%
1 missed
Lower than 85% of chamber peers
With party
99%
of cast votes
Higher than 88% of chamber peers
Bipartisan score
0%
crosses aisle rarely
Lower than 92% of chamber peers
Sponsored
2,500
bills & resolutions
Higher than 92% of chamber peers
Committees
8
assignments
2,500 bills and resolutions

Sponsored bills

Total
2,500
Primary
271
Co-sponsor
2,229
This page
2,500
matching current filters
Co-sponsor S 2839
In committee · Massachusetts Senate · Co-sponsor
An Act to ensure access to library resources and services

Senate, June 27, 2024 -- The committee on Tourism, Arts and Cultural Development, to whom were referred ; the petitions (accompanied by bill, Senate, No. 2447) of Jacob R. Oliveira, Aaron L. Saunders, Jessica Ann Giannino, Sal N. DiDomenico and other members of the General Court for legislation to protect against attempts to ban, remove, or restrict library access to materials; (accompanied by bill, Senate, No. 2528) of Julian Cyr, Natalie M. Higgins, John Francis Moran, Rebecca L. Rausch and other members of the General Court for legislation relative to free expression;(accompanied by bill, House, No. 4005) of James K. Hawkins and others for legislation to encourage the improvement of free libraries and library systems; (accompanied by bill, House, No. 4229) of John Francis Moran and others relative to the right of students to freedom of expression in public schools; and (accompanied by bill, House, No. 4235) of Aaron L. Saunders and others for legislation to further regulate access to certain library materials; report the accompanying bill (Senate, No. 2839).

In committee Jul 3, 2024 1 co-sponsor
Co-sponsor H 3203
Passed · Massachusetts House · Co-sponsor
An Act relative to the future of clean heat in the Commonwealth

Maddy summaryThis bill establishes a new Thermal Transition Trust Fund within the Massachusetts Department of Energy Resources to support the state's shift toward clean heating systems. The fund will be financed by revenues collected from existing energy-related fees and any other money specifically directed to it by the legislature. Money in the trust can only be used for expenses directly related to clean heat initiatives and the administrative costs of running the fund. The bill creates a dedicated financial mechanism to ensure resources are available for future clean energy projects without immediately spending state general funds.

Passed Jul 2, 2024 1 co-sponsor
Co-sponsor H 873
Passed · Massachusetts House · Co-sponsor
An Act relative to making methane accounting truthful helps

Maddy summaryThis bill amends Massachusetts state law to update how greenhouse gas emissions are measured and reported. It requires that carbon dioxide equivalents be calculated using the best available science from the Intergovernmental Panel on Climate Change for both 20-year and 100-year timeframes. The legislation also mandates that statewide emissions reports include all electricity and gas usage, accounting for losses during transmission and distribution, and must be expressed in tons of carbon dioxide equivalents. Additionally, the state department responsible for these reports must review and update emission accounting factors every three years, retroactively adjusting data back to 1990.

Passed Jul 2, 2024 1 co-sponsor
Co-sponsor H 3676
Passed · Massachusetts House · Co-sponsor
An Act to update the bottle bill

Maddy summaryThis bill updates Massachusetts' bottle bill by replacing existing definitions with new ones that clarify what counts as a beverage and its container. It specifically includes glass, plastic, and metal containers between 50 milliliters and 3 liters while excluding items like cartons, pouches, and dairy products. The legislation also establishes stricter rules for recyclability, requiring that containers be recyclable in current markets without removing attached components like labels or filters. Additionally, the bill introduces a new definition for "recycle" to ensure materials are converted into raw materials for new products rather than simply downcycled. These changes aim to modernize the law's language and ensure it reflects current recycling capabilities and environmental standards.

Passed Jul 2, 2024 1 co-sponsor
Co-sponsor H 3224
Passed · Massachusetts House · Co-sponsor
An Act relative to the electrification of new and substantially remodeled or rehabilitated buildings in the city of Northampton

Maddy summaryThis bill authorizes the City of Northampton to mandate that new buildings and those undergoing major renovations use electricity or solar thermal energy for all power needs, including heating, cooling, and water heating. It defines major renovations as projects affecting over half of a building's floor area or involving significant changes to its heating and water systems. Under this law, the city could deny building permits for projects that do not comply with these electrification requirements, though it includes a process for requesting waivers if compliance is impractical. The legislation also lists specific exemptions, such as outdoor appliances, emergency power systems, and certain industrial facilities where fossil-free operation is deemed unfeasible.

Passed Jul 2, 2024 1 co-sponsor
Co-sponsor H 3690
Passed · Massachusetts House · Co-sponsor
An Act to expand the bottle bill

Maddy summaryThis bill expands Massachusetts' existing bottle deposit law to include a wider range of drinkable liquids, such as water and sports drinks, while explicitly excluding items like milk, infant formula, and small-scale juice producers. Under the new rules, the refundable deposit on beverage containers would increase from five cents to ten cents, applying to most prepackaged containers up to 2.5 liters for non-carbonated drinks and 3 liters for carbonated ones. The legislation also adjusts the size requirement for businesses to qualify for exemptions from refunding requirements, raising the threshold from 1,000 to 2,000 square feet. Additionally, it clarifies that redemption centers and reverse vending machines must pay the refund immediately unless a customer opts into an account system.

Passed Jul 2, 2024 1 co-sponsor
Co-sponsor H 3232
Passed · Massachusetts House · Co-sponsor
An Act establishing a zero carbon renovation fund

By Representative Vargas of Haverhill, a petition (accompanied by bill, House, No. 3232) of Andres X. Vargas and others for legislation to establish a zero carbon renovation fund to provide for the costs associated with energy efficiency renovations of certain existing buildings. Telecommunications, Utilities and Energy.

Passed Jul 2, 2024 1 co-sponsor
Co-sponsor H 3694
Passed · Massachusetts House · Co-sponsor
An Act relative to the clean heat standard

Maddy summaryThis bill establishes a Clean Heat Standard in Massachusetts that requires natural gas and heating fuel providers to reduce greenhouse gas emissions in the residential, commercial, and industrial sectors. To meet this goal, the state will create a system of tradeable credits called Clean Heat Credits, which represent the pollution reduction achieved by installing specific low-emission heating technologies. The Department of Energy Resources will oversee the program and define which heating measures qualify, while explicitly excluding simple switches between fossil fuels or the use of renewable natural gas and hydrogen. Obligated parties must retire a certain number of these credits to comply with the state's broader climate goals, effectively shifting the financial burden of decarbonizing heating systems onto fuel suppliers rather than consumers.

Passed Jul 2, 2024 1 co-sponsor
Co-sponsor S 2447
Passed · Massachusetts Senate · Co-sponsor
An Act protecting against attempts to ban, remove, or restrict library access to materials

By Mr. Oliveira, a petition (accompanied by bill, Senate, No. 2447) (subject to Joint Rule 12) of Jacob R. Oliveira, Aaron L. Saunders, Jessica Ann Giannino, Sal N. DiDomenico and other members of the General Court for legislation to protect against attempts to ban, remove, or restrict library access to materials. Tourism, Arts and Cultural Development.

Passed Jul 2, 2024 1 co-sponsor
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