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Shaping Tomorrow's Built Environment Today
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A federal judge issued an order last week blocking the U.S. Environmental Protection Agency’s freeze order on Greenhouse Gas Reduction Fund grants, finding that the EPA did not provide sufficient evidence of waste, fraud or abuse. The case was brought before U.S. District Court for the District of Columbia Judge Tanya Chutkan on March 8 by the Climate United Fund (CUF), the recipient of a $6.97 billion Greenhouse Gas Reduction Fund grant which was frozen Feb. 18 after the EPA issued a notice of termination regarding the $20 billion GGRF fund. Read more
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A growing number of countries are working to decarbonize buildings, but sluggish progress and financing put global climate goals at risk. These are the key findings of an annual review of the buildings and construction sector, published recently by the UN Environment Programme and the Global Alliance for Buildings and Construction. The Global Status Report for Buildings and Construction 2024-2025 - Not just another brick in the wall highlights progress made on related global climate goals and calls for greater ambition on six challenges, including building energy codes, renewable energy and financing. Read more
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A team of researchers at Saarland University and the Center for Mechatronics and Automation Technology in Germany has unveiled an innovative air conditioning technology that promises significant energy savings and environmental benefits. The system can cool and heat without using volatile refrigerants or burning fossil fuels by exploiting the “elastocaloric effect” in nickel-titanium shape memory alloys. Read more
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The number of data centers operated by hyperscale providers increased to 1,136 last year, up from 992 at the end of 2023, according to research published last week by Synergy Research Group (SRG). The companies with the broadest data center footprint are the leading cloud providers — Amazon, Microsoft and Google. Together, the three now account for 59% of all hyperscale data center capacity, SRG said. Read more
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Join Journal Technical Editor Rebecca Matyasovski along with guests Apoorv Khanuja and Amanda Webb as they discuss recommendations and more for naming and categorizing energy efficiency measures (EEMs). In the first recommendation? Clearly describe what’s being done. This technical feature appears in the April 2025 issue of ASHRAE Journal.
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By Wayne Stoppelmoor, Glenn Friedman, P.E., Kimberly Cheslak, Jamie Kono, P.E., Andrew Pape-Salmon, P.Eng., John Topmiller, P.E, and Joseph Firrantello Ph.D., P.E.
This article covers Standard 100-2024, Energy and Emissions Building Performance Standard for Existing Buildings, which now addresses energy and emissions performance. The new edition of the standard addresses key issues of climate change surrounding building performance, including new metrics for greenhouse gas emissions targets. Download here
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The 2025 ASHRAE Conference for Integrated Design, Construction and Operations (CIDCO) has announced a call for presentations that will close March 31. The conference takes place Aug. 13-15, 2025 in Denver, Colo. and provides an in-depth look at existing tools and applied knowledge, as well as the study and introduction of new technologies including machine learning, artificial intelligence, virtual reality and robotics to design, construct and operate buildings. Read more
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Environmental Protection Agency (EPA) Administrator Lee Zeldin announced two weeks ago nearly three dozen deregulatory moves that he said would spur the U.S. economy by rolling back rules that have affected the industry. Many of the moves would affect landmark regulations aimed at protecting clean air and water. The regulatory changes announced by Zeldin are sweeping, potentially affecting the reconsideration of power plant emissions standards, toxic emission limits on power plants, wastewater rules for coal and other power plants and the use of hydrofluorocarbons. Read more
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