Top Tweets for #Freezerchallenge
“The reduction in energy usage, carbon footprint, and costs are all great benefits of the Freezer Challenge,” shared Paula Milliken, ecotoxicologist at Cefas (Centre for Environment, Fisheries, and Aquaculture Science), one of 2025's #FreezerChallenge winners. “Better-organized freezers make them significantly more user-friendly and save time looking for what you need. Also, turning up ULT freezers so they are not working at maximum capacity will increase their lifespan,” she added.
As labs around the world compete in the 2026 Freezer Challenge, simple cold storage best practices continue to demonstrate how sustainability and scientific efficiency can go hand in hand.
Learn more and join for the challenge here: https://t.co/nz8AtwosDQ

Hoy en @CIBM_UGR , el Comité de Sostenibilidad llevó a cabo una charla inspiradora sobre el #FreezerChallenge ❄️🧬. Pequeños cambios en cómo usamos el ultrancogelador pueden reducir el consumo energético de nuestra investigación . ¡Sumate al desafío! 💪♻️ @CanalUGR

My Green Lab is looking forward to the upcoming @i2sl_ Conference in Dallas, Texas on October 19-22! Join us for the following events:
❄️ We are thrilled to be hosting the #FreezerChallenge Awards Luncheon on Tuesday, October 21st at 12:00pm. This luncheon will honor the dedication of labs worldwide to enhance their sustainability with improved cold storage management.
🍃 My Green Lab's IlaSri Bharati Summitt, Sustainability Certifications Manager, will be speaking on 𝘐𝘯𝘯𝘰𝘷𝘢𝘵𝘪𝘰𝘯𝘴 𝘪𝘯 𝘵𝘩𝘦 𝘍𝘳𝘦𝘦𝘻𝘦𝘳 𝘊𝘩𝘢𝘭𝘭𝘦𝘯𝘨𝘦 𝘢𝘯𝘥 𝘔𝘺 𝘎𝘳𝘦𝘦𝘯 𝘓𝘢𝘣 𝘊𝘦𝘳𝘵𝘪𝘧𝘪𝘤𝘢𝘵𝘪𝘰𝘯 on Wednesday, October 22 at 10:30am.
Be sure to get in touch if you'll be in attendance at this year's event!
Find the full conference agenda here: https://t.co/LUDTsMoO7J

Don't miss tomorrow's 2025 International #FreezerChallenge Virtual Awards Ceremony! Register here to join us in celebrating sustainability in science: https://t.co/fJ02Qk0CKb
@i2sl_
Celebrate lab sustainability with us at the 2025 International #FreezerChallenge Virtual Awards Ceremony!
This free, open-to-all event will recognize the outstanding laboratories that participated in this year’s Freezer Challenge.
📅 Thursday, October 2, 2025
⏰ 8–9:30 a.m. PDT | 4–5:30 p.m. UK
🔗 to register: https://t.co/JRKUF8uulU
We’ll be celebrating the winners and honorable mentions, hearing directly from participating labs on how they achieved success, gaining tangible insights, and connecting via interactive networking with the global lab sustainability community.
Whether you’re a 2025 participant, a lab sustainability professional, or simply curious about how to make research more sustainable: this event is for you!

This week I’m going to eat my way through my freezer… no idea of half of what is in there but it’s packed to the guns #freezerchallenge
Tomorrow is the last day to fill out your scoresheets for the 2025 #FreezerChallenge! Have you completed yours?
The Freezer Challenge has driven remarkable progress in sustainability, saving 76.5 million kWh of energy since 2017, reflecting impactful cold storage optimization efforts globally.
We can't wait to see how much energy this year's participants have saved!
Fill out your lab's scoresheet by tomorrow here: https://t.co/99PoegxeDD

Did you know that since 2017, the #FreezerChallenge has saved 76.5 MILLION kWh of energy? It's true!
With help from scientists and lab professionals like you, this free, friendly competition promotes best practices in cold storage management, helping labs make their operations more sustainable. Anyone in the world can participate!
Learn more and see how you can contribute to a greener lab environment today: https://t.co/wsY1VE6l1W

Did you know that in 2024, the #FreezerChallenge united over 3,100 laboratories and 35,000 participating cold storage units across 35 countries? While we're proud of this goal, but we can go further in 2025!
Join our free global competition that inspires labs worldwide to embrace best practices in cold storage management, leveraging the spirit of collaboration and competition to drive lab sustainability
Register your lab today: https://t.co/nz8AtwosDQ
@i2sl_

Join the 2025 Freezer Challenge and cut your lab’s energy use! 🧊⚡ @My_Green_Lab’s challenge helps labs adopt smarter cold storage practices. Log actions through July 1st & compete for awards! Learn more here: https://t.co/obSt4Qfk5g
#SustainableScience #FreezerChallenge

We're participating in @My_Green_Lab’s 2025 #FreezerChallenge! 🥶 This is our third time participating. 3️⃣ We're pleased to do our part for our lab and the planet 🌎❄️
Learn more (and join us!) 👉 https://t.co/JXyULTOGeQ

Does your lab have freezers, ULTs, and other cold storage units? Sign up for the #FreezerChallenge! 🌿❄️
Check out our Sustainable Labs Resource Hub SharePoint site for more details: https://t.co/96C0sEcmC0 #SustainableLabs
The 2025 #FreezerChallenge is officially here! It’s time to make your lab’s cold storage more efficient, sustainable, and cost-effective.
The Freezer Challenge is a free, friendly, virtual competition running from January to June, designed to help labs optimize their cold storage practices while making a measurable impact. Here’s how to get started:
1: Make a Plan and Sign Up: Explore strategies to optimize your lab’s cold storage. Review best practices and consider what is feasible for your lab. Sign up and access resources to get started here: https://t.co/99PoegxeDD
2. Build Your Team: Enlist your colleagues and lab mates to work with you in Freezer Challenge actions. Work together to implement the actions you’ve chosen and make a collective impact.
3. Take Action: Adopt measures like defrosting freezers, organizing inventories, and optimizing temperatures. Record your actions on the provided scoresheet to monitor your impact and compete effectively.
4. Celebrate Success: Earn recognition for your efforts with awards and highlights, showcasing your lab’s leadership in sustainability and inspiring others to take action.
Participants in last year's challenge achieved a milestone of 31.8 million kWh in energy savings, reflecting impactful cold storage optimization efforts globally. Help us break this record in 2025! Sign up via the link in comments.
Sign up here: https://t.co/99PoegxeDD
Got lab freezers? ❄️
The 2025 #FreezerChallenge is on! Cut energy waste, protect samples & save costs.
In 2024, @mcgillu labs saved 210,769 kWh—let’s top that!
✅ Maintain freezers, optimize temps & upgrade equipment
Join now: https://t.co/qcsoUppIkv
@SustainMcGill
My Green Lab and @i2sl_ are thrilled to announce the launch of the 2025 #FreezerChallenge, now returning for its 9th iteration — bigger and better! We have also created a more user-friendly, transparent, and agile tool in 2025.
This free, fun, and friendly competition will help your lab enhance energy efficiency, improve sample accessibility, reduce risks, and save costs through sustainable lab cold storage practices.
❄️ Learn more and sign up here: https://t.co/99PoegwGO5

In @LabManager's recent article "Turning Cold Storage into a Catalyst for Change," 2024 #FreezerChallenge winners reflect on the ripple effect of friendly competition and collective action in driving long-term sustainability goals. Participants in this year's competition avoided 22,000 metric tons of carbon dioxide equivalent—an increase of more than 50% compared to last year’s challenge.
Read the full article ➡️ https://t.co/fZVyOenIZr

Did you know that cold storage units, particularly ultra-low temperature (ULT) freezers installed in our laboratories use an incredible amount of energy?
Read our blog to learn more- https://t.co/ZQFrPIUFHe
#EnvironmentalSustainability #FreezerChallenge #SustainabilityGoals

@UofIllinois won 🥇 in #FreezerChallenge! 146 research groups submitted 102 scoresheets, saving 1,338 kWh/day (~$58K/year). Kudos to top PRI labs:
🔸Julie Neuman @INHSillinois
🔹Vanessa DeShambo @ISTCatUIUC
🔸Evan Rea, @watersurvey

Congratulations to the winners of the International #freezerchallenge at McGill! We are so excited to highlight our labs that freed up freezer space, cleaned equipment and retuned their freezer temperatures!
@rimuhc1
#mygreenlabs

Congratulations!! 🥳 It was a pleasure to be the Coordinator of @My_Green_Lab #FreezerChallenge at @SABE_latrobe and see all the labs taking action to improve the cold storage! ❄️
👏 Congrats to Oana Sanislav & the Sarah Annesley lab group for winning this year's @latrobe @My_Green_Lab #FreezerChallenge, saving 15.2 kWh per day! Thousands of labs took part globally to enhance cold storage energy efficiency. Read on to see what else our labs achieved! 🌱⬇️

👏 Congrats to Oana Sanislav & the Sarah Annesley lab group for winning this year's @latrobe @My_Green_Lab #FreezerChallenge, saving 15.2 kWh per day! Thousands of labs took part globally to enhance cold storage energy efficiency. Read on to see what else our labs achieved! 🌱⬇️

Is your sector well-represented in this year’s #FreezerChallenge? Join in on this fun competition for any lab with cold storage today. https://t.co/M6WA22bUD8

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