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.


Help inspire action on climate change

New courses at CAT Graduate School for 2019

MSc Green Building*, MSc Sustainable Ecology* & MSc Sustainability and Behaviour Change*

Free winter entry at CAT's Visitor Centre!

Ends Monday 25th March 2019

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

Working clay to make cob

Build a Natural House (Sold Out on this date)

Build your own outhouse, a garden retreat or even extending or building your own home. Whatever your grand design, this practical course can help put some of those ideas into…

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Eco Refurbishment (Sold out on this date)

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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Student writing notes on top of a straw bale

Self-Build Project Management

Pain-free planning for your building project. If you’re thinking of building your own home, community space or other self-build structure, it pays to be prepared. This course covers how to…

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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

wind turbine, pv panels and power lines

Power-to-gas: energy storage solutions

For a 100% renewable electricity system to work, we need reliable storage to cover days when the wind doesn’t blow and the sun doesn’t shine. Paul Allen looks at how…

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New sustainability summer school for young people

This summer, CAT is hosting a week-long summer school for 16-18 year olds who would like to learn how to thrive in a post-carbon world. Run by sustainability summer school…

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New MSc courses starting this September

Our new postgraduate courses continue to take shape, the courses in Sustainability and Behaviour Change, Sustainability and Ecology are now fully validated by our university partner, Liverpool John Moores University, whilst…

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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.

Solar Photovoltaic (PV)

Solar Photovoltaic (PV)

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

Our page on low energy buildings talks about the ’embodied energy’ of building materials. This is the energy that was used in extraction, manufacture, and transportation. Another way of assessing…

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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


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