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  • Inefficient R22 air conditioners dumped in Africa

    According to a recent report, 35% of room air conditioners (RAC) sold in ten African countries are low efficiency RACs. RACs containing R22 account for 47% of the market, while 49% contain R410A.Setting minimum...

    • Publication date : 2020/09/04
    • Subjects: Developing country, Environment
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  • Ghana: over 5,000 old fridges seized by Customs

    This is the result of a new law “LI Act 1932” which entered into force in January 2013 makes illegal the importation of old fridges and air-conditioning systems.

    • Publication date : 2014/05/23
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  • Viability of an absorption solar cooling system in an isolated school in Mexico

    A recent IJR article presents a simulation of the operating strategies and the results of the first experiments following the installation of a solar thermal absorption air conditioning system, installed in an...

    • Publication date : 2020/04/05
    • Subjects: Developing country, Environment
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  • A refrigerator running on sun and water.

    A student of MIT in Boston has developed The Evaptainers, an electricity-free and mobile fridge, using evaporative cooling technology.

    • Publication date : 2015/07/09
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  • Radiative cooling: protecting ice from melting under sunlight

    Researchers have developed a biodegradable film made of cellulose acetate which, thanks to its radiative cooling properties, effectively protects ice subjected to solar radiation from melting, with possible...

    • Publication date : 2022/03/30
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  • The Montreal Protocol pays off

    According to a recent UNEP report, the ozone layer is recovering. It could be restored to its initial state from 2040, except in Antarctica and the Arctic. 

    • Publication date : 2023/01/26
    • Subjects: Environment
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  • Mini containers, an energy-efficient solution for small farmers?

    To benefit small growers, a team of researchers investigated the concept of mini containers that would consume less energy and produce fewer GHG emissions than conventional full-size...

    • Publication date : 2022/12/12
    • Subjects: Technology
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  • Coldest ever molecules

    Physicists at Yale University claim to have achieved the coldest ever molecules through direct cooling.

    • Publication date : 2014/10/01
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  • Near absolute zero molecules.

    MIT succeeded in chilling molecules in a gas of sodium potassium (NaK) to a temperature of 500 nanokelvins.

    • Publication date : 2015/09/02
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  • World’s coldest molecules at Yale

    According to a research article published in the journal Nature, physicists at Yale University have achieved the coldest ever molecules through direct cooling.

    • Publication date : 2015/01/08
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  • Fallstreak holes

    Fallstreak holes are a stunning and very rare natural phenomenon. Last November, a Reddit user shared an incredible picture showing one of these wonders of nature in the skies over eastern Victoria, Australia.

    • Publication date : 2016/05/10
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  • Briefs: ozone hole

    The Earth's ozone hole is slowly mending: this is considered a big victory for environmental policy makers. But in a new report, scientists say there is a downside: its repair may contribute to global warming. As it happens, the hole led to the...

    • Publication date : 2010/05/27
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  • Ultracold polar molecules

    Scientists at JILA, a joint institute of the National Institute of Standards and Technology (NIST) and the University of Colorado at Boulder (CU-Boulder), have applied their expertise in ultracold atoms and lasers to produce the first high-density...

    • Publication date : 2008/10/22
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  • Briefs: The hole truth

    The closely monitored ozone hole above Antarctica is renowned for its unpredictable seasonal behaviour and changes in shape. High-altitude clouds form above Antarctica as soon as the temperature goes below -85°C in winter and spring, seasons...

    • Publication date : 2004/07/27
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  • Briefs: Antarctic ozone hole smallest in five years

    The Antarctica ozone hole is the smallest it has been in 5 years, according to research from Niwa, New Zealand's National Institute of Water and Atmospheric Research. Satellite data combined with ground-base measurements show the hole reached a...

    • Publication date : 2011/02/07
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  • Cryogenic nitrogen in the food and beverage industry

    The adoption of cryogenic processes in the food and beverage industry is predominantly driven by liquid nitrogen (LIN), and it is the preferred candidate for food chilling and...

    • Last update : 2023/11/07
    • Langues : French, English
    • Themes : Freezing of foodstuffs
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  • Cryogenics in the pharmaceutical industry: drug design and bioavailability improvement

    Research activities in the pharmaceutical sector focus primarily on developing novel drug formulations which can elicit the desired response upon being administered to the patient...

    • Last update : 2023/03/10
    • Langues : French, English
    • Themes : Freeze-drying in biology and medicine, Cryobiology, cryomedicine: general information
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  • Liquefied Natural Gas: production process and cold energy recovery

    Liquefied natural gas (LNG) is natural gas that has been cooled to about -160 °C and turned into a liquid to facilitate transportation and storage. A typical LNG supply chain...

    • Last update : 2023/06/23
    • Langues : French, English
    • Themes : LNG and LPG
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  • Hydrocarbon refrigerants

    Hydrocarbons such as R290 (propane), R600a (isobutane) or R1270 (propene/propylene) are low GWP non-toxic natural refrigerants with excellent thermodynamic properties. They offer an...

    • Last update : 2022/06/22
    • Langues : French, English
    • Themes : Hydrocarbons, Containment, refrigerant charge reduction
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  • Cold storage conditions for fruits and vegetables

    Practical recommendations for the cold storage of over 200 cultivars of fruits, vegetables and herbs (storage temperatures, relative humidity, storage time, controlled atmosphere...

    • Last update : 2023/01/16
    • Langues : French, English
    • Themes : Fruit, Vegetables
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  • Kigali Amendment status per country

    List of the 163 countries that have accepted, approved or ratified the Kigali Amendment as of November 15, 2024.

    • Last update : 2024/11/15
    • Langues : English
    • Themes : Regulations and standardization (Montreal and Kyoto Protocols…)
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    Justice hammer and green earth

  • Global HFC emissions from the refrigeration sector

    This table shows HFC emissions from the refrigeration sector – including air conditioning – in million tonnes of CO2 equivalent for about 40 countries that are signatories...

    • Last update : 2022/01/20
    • Langues : English
    • Themes : General information on environment (climate change, ozone depletion…)
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  • Ice cream manufacturing, environmental impact and market data

    From a physico-chemical point of view, ice cream is a complex, frozen multiphase mixture. The manufacturing process includes several stages of freezing which are described in this...

    • Last update : 2023/06/30
    • Langues : French, English
    • Themes : Ice creams
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  • Environmental impact of the ice cream industry

    This summary document describes the environmental impact of ice cream manufacturing, which is mainly due to the energy consumption and refrigerants used.

    • Last update : 2022/11/17
    • Langues : French, English
    • Themes : General information on environment (climate change, ozone depletion…)
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