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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.

CAT is currently open for pre-booked visits only (courses, events, B&B, groups, students) – read more

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Graduate School

Explore sustainable solutions and develop practical skills on a CAT Postgraduate course.
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Take a look at our collection of great green gift ideas, books on sustainability, and much more.
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Support CAT

Help support our work taking action on the climate emergency.
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Group visits

Whether you’re coming with a school or university, as a team away day, or as a community group that's working to create change, CAT is the perfect place to visit as a group.

What's on

Considering postgraduate study at CAT? Join our webinar on 20 May at 4pm and discover more about funding your Master’s course. Hosted online, you will: Hear from our Student Finance…

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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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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.

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Support us

Your support will help us share our climate change solutions with hundreds of thousands of people every year.
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Gift Membership

The perfect gift for anyone who cares about the environment and wants to know what they can do to help.
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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 Hub and Innovation Lab supports councils, communities and other organisations to take action.

Latest from the CAT Blog

A major project to create an innovative sustainable skills hub and inspiring new visitor experience at the Centre for Alternative Technology (CAT) is continuing to be developed.

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Locally owned energy can provide a wide range of benefits, from reducing emissions to helping fund local initiatives. Paul Allen introduces a scheme local to CAT, Bro Dyfi Community Renewables,…

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Next in our series looking at themes and topics explored by students on CAT Masters degrees, Alan Owen introduces community solar, which we teach to students on a number of…

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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

The price of Photovoltaic (PV) solar panels has dropped rapidly in the last ten years. A domestic PV array can now be cost effective without any subsidy. You can sell…

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Natural building materials

Natural building materials

At CAT we’ve been using natural building materials for many years, and there are many examples around the centre. We also run hands-on courses and workshops and sell many practical…

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Energy saving at home

Energy saving at home

Domestic energy saving measures are vital if we are to achieve the goal of a zero carbon future. Reducing the UK’s energy demand will make it much easier to meet…

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Want to get involved or need more information? We’d love to hear from you.