18th September 2020 Short Course Transform buildings into cosy, low impact, energy efficient homes. Refurbishing our homes to make them more energy efficient is one of the key aspects of effective action on climate change.…
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Centre for Alternative Technology
Radical action is needed if we are to avoid dangerous climate breakdown. CAT offers practical solutions and hands-on learning to help create a zero carbon world.
Welcome back to CAT!
Our Visitor Centre is now open – all visits must be pre-booked online. On-site teaching will be available from September. Read more.
New CAT tour
Join us at CAT for a new behind the scenes tour and explore the true story of CAT’s transformation.
We're open!
The visitor centre is now open for pre-booked visits and we can’t wait to welcome you back.
Together we can build a better world
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CAT at Home
Explore sustainable solutions from your home or garden with a range of online resources from CAT.
Webinar and online events
Gain practical tips and explore sustainability with CAT. Includes a new series of free webinars.
Zero Carbon Britain: Live Online
New online Zero Carbon Britain course exploring climate solutions now available. 21 to 22 July 2020
Latest Zero Carbon Britain report
Our latest report shows that we already have the tools and technology needed to get to Zero Carbon.
Zero Carbon Britain: Rising to the Climate Emergency
Our latest report, Zero Carbon Britain: Rising to the Climate Emergency, is out now.
Incorporating work from the last 12 years of Zero Carbon Britain research and the latest scientific and technological developments, the report presents a technically feasible scenario showcasing a future Zero Carbon Britain using only proven technology.
CAT at Home
Explore sustainable solutions from your home or garden with online resources from CAT.
Whether you’re keen to use your time at home to learn more about solutions to the climate and biodiversity emergency or are looking for fun wildlife activities to keep the kids connected to nature, we’ve got lots of online resources to help.
What's on
22nd September 2020 Short Course Gain the practical experience and key skills to build a tiny house all of your own. Whether you’re planning to build your own home or just want to pick up…
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23rd September 2020 Graduate School Open Days and Events Join us for the latest in our new series of free online webinars. During this webinar CAT trustee and Head of Energy at Stephens Scown LLP, Sonya Bedford, will explore…
Read MoreGraduate School of the Environment
Gain the knowledge and skills to help address environmental change. CAT’s postgraduate courses are respected across the world, providing a big-picture, integrated approach to sustainability.
Zero Carbon Britain
To tackle climate change, all emissions that can go to zero must go to zero – as rapidly as possible. CAT’s Zero Carbon Britain research shows how this can be done using technology available today.
Educational Trips
Bring your school, college or educational group to CAT and start exploring positive solutions to environmental challenges.
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Short Courses
Gain practical skills and hands-on experience with one of our day, weekend or week-long sustainability courses.
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Latest from the CAT Blog
7th August 2020 Last updated 25 August 2020 CAT is now open to visitors, with a range of key measures in place to help keep you and others safe during your visit. Explore…
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24th July 2020 Sonya Bedford, 2018 graduate from CAT’s renewable energy MSc was recently appointed as a CAT Trustee after a recent round of trustee recruitment.
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22nd July 2020 David Royle has been a Sawbridgeworth Town Councillor since 2015. Before that, he worked in publishing and as an education consultant. We caught up with David after the May Zero…
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Free Information Service
Wondering what you can do in your own home to help combat climate change? CAT’s free information service offers independent and impartial advice on a wide range of areas to help you live more sustainably.
Photovoltaic (PV) Solar Panels
Generate electricity from the sun. Photovoltaic (PV) solar panels convert sunlight into electricity. You can use the electricity to power domestic appliances, and export excess energy to the grid. This…
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Natural building materials
At CAT we’ve been using natural building materials for many years, and you can see examples all around our visitor centre. We also run hands-on courses and workshops and sell…
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Energy saving at home
From the very earliest days of CAT we have focused on building and renovating to high levels of insulation, so that we consume less energy. Reducing our energy demand makes…
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