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Ozone-depleting chemicals detected by scientists in the atmosphere in 1951 – decades earlier than expected
An international team led by the University of Bremen, Germany, has uncovered evidence of ozone-depleting chlorofluorocarbons (CFCs) in the atmosphere as early as 1951. This finding pushes back the known...
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2 939 news
United States: May 2025 heating and cooling equipment shipment data
AHRI provides monthly data on heating and cooling equipment shipped by US manufacturers in the US market. The data provided covers the two months prior to the month of release. Therefore, data for May 2025 was...
UNEP and ASHRAE updated list of new refrigerant designations June 2025
On 30 July 2025, UNEP and ASHRAE published a fact sheet to provide an update on ASHRAE Standard 34, available in English, French and Spanish.
Türkiye Adopts First-Ever Climate Law, Paving the Way for Net-Zero and Green Development
Türkiye’s first Climate Law introduces a regulatory framework for F-gases and sets the stage for climate-resilient refrigeration technologies.
Egypt Sets Clear HFC Phase-Down Commitments in Line with Kigali Amendment
Egypt outlines a structured HFC phase-down roadmap at OEWG-47, reinforcing its commitment to Kigali targets and sustainable refrigeration practices.
Launching of SeCrioNet, the first Spanish scientific network dedicated to cryobiology
Currently based at the University of Vigo, Spain, SeCrioNet brings together experts from various disciplines to promote research, technological development and strategic applications of cryopreservation in...
Live from OEWG Meetings: What is Accra-Helsinki Group?
In a recent conversation with the International Institute of Refrigeration (IIR), Kofi Agyarko introduced the newly formed Accra-Helsinki Group for Sustainable Cooling, an initiative launched under the...
IIR Cryogenics 2025 Conference: Implementing the new EU SoHO regulation for tissue cryobanks
P. Mericka et al. highlighted key points to be addressed by establishments during implementation of the new 2024 EU Regulation on standards of quality and safety for substances of human origin (SoHO) intended...
IIR Cryogenics 2025 conference: Using Waste Cold Energy from Liquid Hydrogen to Save Energy on Nitrogen Liquefaction
F. Herzog et al. proposed recovering waste cold energy from liquid hydrogen production to help produce liquid nitrogen, thus saving energy on N2 liquefaction, while reducing the heat requirement for...
Performance and climate impact assessment of R152a and R1234yf as drop-in replacements for R134a in automotive AC systems
As the phase-out of R134a accelerates due to its high global warming potential, identifying efficient and climate-friendly alternatives becomes critical. This study puts R152a and R1234yf to the test under...
IIR Cryogenics 2025 conference: latest advances in cryogenics for quantum computing
A keynote paper on cryogenics for quantum computing reviewed current cooling methods such as dilution refrigeration or cryocoolers, challenges associated with cryogenics for quantum computing, as well as recent...
United States: March 2025 heating and cooling equipment shipment data
AHRI provides monthly data on heating and cooling equipment shipped by US manufacturers in the US market. The data provided covers the two months prior to the month of release. Therefore, data for March 2025 was...
World LNG Report 2025: LNG trade continues to grow, requiring increased global decarbonisation efforts
According to the IGU, global LNG trade grew by 2.4% in 2024, connecting 22 exporting with 48 importing markets. With increasing global regulatory focus on methane emissions, particularly from the EU, Japan, and...
US AC companies act to ease R454B refrigerant shortage
US air conditioning manufacturers are working to resolve the R454B refrigerant shortage caused by supply chain issues and rising demand after the US AIM Act’s implementation.
UK government may tighten F-Gas refrigerant rules
The UK government is considering stricter regulations on refrigerant gases to help meet environmental targets, including speeding up phase-out programmes and introducing new bans, according to a DEFRA...
AI set to drive doubling of electricity demand from data centres
In a special report, the IEA predicts that data centre electricity consumption will more than double to around 945 TWh by 2030, driven mainly by AI.
IIR Position Paper in IJR: Frozen food at −18°C or −15°C? A critical review of subzero storage, quality, and regulation
IIR expert Alain Le-Bail et al. have recently published an article reviewing the current regulations on selected subzero temperature storages and examining the impact of shifting the frozen storage temperature...
UNEP and ASHRAE updated list of new refrigerant designations 2025
In May 2025, UNEP and ASHRAE published a fact sheet to provide an update on ASHRAE Standard 34, available in English, French and Spanish.
Cuba: The health cold chain contributes to life saving vaccination
Since 2021, Cuba has renewed its cold chain equipment at around 70 percent of its vaccination sites and acquired a cold storage chamber.
China issues action plan to advance its heat pump industry
In April 2025, a group of China’s ministries and governmental bodies jointly released an “Action Plan for Promoting High-Quality Development of the Heat Pump Industry”.
Nigeria needs an additional 50,000 tonnes of cold storage capacity
The President of the Organisation for Technology Advancement of Cold Chain in West Africa (OTACCWA) estimated the cold chain infrastructure required to tackle Nigeria’s annual post-harvest losses evaluated at $9...
Refrigerated containers throughput in main European ports in Q1 and Q2 2025
Despite port congestion, potential tariff changes, and ongoing geopolitical tensions, refrigerated container volumes are expected to continue growing by 2030 according to DHL Ocean Reefer Market...
One million LNG-fuelled trucks in China in 2025
China’s LNG truck fleet has almost tripled since 2019 and is expected to reach over 1.2 million trucks by 2030.
India: Delhi government unveils its Heat Action Plan (HAP) 2025
On 21 April 2025, the Government of Delhi launched its Heat Action Plan (HAP), to mitigate the health impacts of extreme heat.
Complex cooling channels support the resurgence of aerospike engines
Initially conceptualised in the 1950s, aerospike rocket engines are now being demonstrated by several start-ups, featuring AI-generated and additively manufactured complex cooling channels.
Singapore launches national plan to combat heatwaves with dedicated government task force
A network of air-conditioned spaces will be made available at community centres, residents’ committees, and selected indoor sports halls during heatwaves, as part of the country’s new national heatwave response...
