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Mission: To cut carbon emissions NOW by driving systems change.

Latest Updates

We’re on the radio!

Thanks to Harvard Radio, WHRB 95.3 FM, for producing this PSA with HEET! Learn about HEET's GeoGrid, a non-emitting system…

HEET Awarded Boston’s Community Clean Air Grant

We are so pleased to announce that HEET and the East Boston chapter of Mothers Out Front were selected as…

Charrette Update: Growing the GeoGrid

HEET’s charrettes bring together utility representatives, environmental advocates, legislators, geothermal experts and other stakeholders to share knowledge on the best…

EJAir Partners with All In Energy to Support Weatherization in Boston Communities

Our newest program, EJAir (Environmental Justice Air), is partnering with the non-profit All In Energy to help improve the connection…

A Deep Dive Into New Methane Emissions Research

Methane emissions in Massachusetts are six times higher than the state’s estimates, according to research published this November by Harvard…

Reducing Food Waste with the Boston Area Gleaners

In November, the HEET team put our efficiency skills to the test with a trip to the Boston Area Gleaners.…

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Videos

 

“We’re Aligned 100% With HEET”

Watch Bill Akley, president of Eversource Energy’s gas business unit, announce the GeoMicroDistrict pilots.

Gushing Natural Gas Leaks

Just 7% of natural gas leaks emit fully half of all the methane emissions from Massachusetts’ aging gas distribution system. Methane is a potent greenhouse gas. Fixing these leaks is critical to reducing our emissions.

Large Volume Leak Study

HEET worked with National Grid, Eversource and Columbia Gas to scientifically prove how to identify the largest gas leaks so they can be fixed.

Common Goals, Uncommon Partners

At an MIT summit, HEET and three gas companies announced a plan to fix the largest gas leaks. The plan includes independent verification, data transparency and annual reassessment.

Maura Healey Thanks HEET

Mass. Attorney General Maura Healey thanks HEET for its work to find a way to reduce methane emissions both in this state and nationally.

Check out our YouTube channel…