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.

Half term at CAT

This half term, take part in CAT’s Nature Tracker Trail and discover how you can support our wildlife and planet.

New Zero Carbon Britain report out now!

Our latest report shows that we already have the tools and technology needed to get to Zero Carbon.

Zero Carbon Britain course - 29 to 30 April 2020

An in-depth exploration of our Zero Carbon Britain project looking at how we can rise to the climate emergency.

Graduate School - applications now open

Explore sustainability and how you can help create change on one of our postgraduate courses.

Help make change happen

Your donation creates hope for a future world that is safe, equitable and just.

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.

Click here to read the report

Visit CAT

There’s so much to see and do at CAT, with hands-on learning for all ages. Visit us to explore all aspects of green living.

What's on

Permaculture Design Course (part 1). Learn how to design resilient, abundant human habitats by working collaboratively with nature and with each other. This course is run at CAT by Aberystwyth…

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Principles and practices of ecological restoration. Recent years have seen a surge in popular interest in rewilding, an idea that is rocking the world of conservation, agriculture and land management.…

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A Beginner’s Guide to the Compost Toilet – Understanding the biology behind humanure. Get a foundational understanding of the principles, benefits and limitations of compost toilets. This is not a…

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Graduate 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

Paul Allen discusses CAT’s new report, and explores how we can meet the complex challenges of climate change with ingenuity and collective determination. There is no time to spare. In order…

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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

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 and low impact building materials

Natural and low impact 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

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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CAT skyline


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