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Concentration of CO2 in the Atmosphere

Just In! (from NY-GEO)

Below are G.E.T.’s top picks from NY-GEO’s weekly “Just-In” Newsletter. Just In! features three fresh news item summaries on the NY-GEO home page every Monday. NY-GEO members get the full newsletter, which includes an advanced look at the website articles, plus event listings and job openings and several bonus article summaries with links, usually on the Saturday before website publication.

Queens Multifamily Project Wins GeoStar Top Job Competition – Congratulations to ZBF Geothermal and owner Zach Fink, the winner of the 2021 GeoStar Top Job Competition !! ZBF’s project, Beach Green Dunes II, is the largest passive housing building in NYC with a geothermal heating and cooling system installed.  This 100% affordable building has 500 apartments, and was designed as an investment case study for financing high efficiency affordable housing buildings in NYC. The geothermal system consists of 36 boreholes to a depth of 450 feet each. These boreholes provide heating and cooling to the 125,000 square foot building, including a cafe serving locally grown food, and 127 apartments – some with an ocean view! To see recordings of all the Top Job presentations as well as text of the Q&A and the slides, click here.

Acton Projects 385,000 Annual Conversions to Heat Pumps Needed by 2030 – Complex Systems Analyst Jerry Acton of the GreyEdge Group has been analyzing the number of buildings that will need to convert to heat pumps in order to meet New York’s climate goals. In his May 4th presentation, as part NY-GEO’s Electrify with Heat Pumps Series, Acton laid out a path to achieving an 88% reduction in building greenhouse gas emissions by 2050. In order to reach that goal, Acton estimates New York would need to see 385,000 annual conversions in the residential sector by 2030. As shown in his slide below, about 2/3rds of those conversions would need to come from houses currently heating with fossil gas and the other third from houses heating with fuel oil, propane and kerosene. The Recording and Slides from this webinar are here.

Ithaca to Require Net-Zero Construction by 2026 – “The rules, which will go into effect on August 4, 2021, require that all new buildings be constructed to produce 40% fewer greenhouse gas (GHG) emissions than those built to NYS code. The IECS (Ithaca Energy Code Supplement) will become more stringent in 2023, requiring an 80% reduction in emissions. Starting in 2026, net-zero buildings that do not use fossil fuels will be required (with exceptions for cooking and process energy). Partly due to broad community support and the increasing urgency of global climate change, Common Council voted to accelerate the implementation timeline from the originally proposed step-up dates of 2025 and 2030.
The IECS offers the flexibility for builders to comply using the prescriptive Easy Path, which is a customized point-based system, or using the performance-based Whole Building Path. Using the Easy Path, GHG reductions are achieved from electrification of space and water heating (e.g., heat pumps), renewable energy (e.g., community solar), and affordability improvements which reduce construction costs (e.g., efficient building shape). See the full press release here.

Ithaca Mayor Svante Myrick


Nick Goldsmith, IECS project manager and Sustainability Coordinator for both the City and the Town of Ithaca



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