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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.

Learn to build a natural house

Start learning a host of building techniques and get experience using a wide variety of natural building materials.

DEMAND A CLIMATE EMERGENCY ACTION PLAN

Please sign CAT's petition calling on the UK & devolved governments to produce an urgent climate emergency action plan.

Help inspire action on climate change

Fear is paralysing – hope is energising. You can inspire action on climate change today.

New courses at CAT Graduate School for 2019

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

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

log in the CAT woodland

Connecting with Trees (Sold out )

Discover the secret life of trees. A unique two-day course immersed in the CAT woodlands, learning about and connecting with the wonderful world of trees. Learn to identify common tree…

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Sun shining through bluebell woods

Mindful Woodland Management

A weekend of calm contemplation and woodland skills. Learn some of the basic techniques of traditional woodland management and coppice craft whilst developing mindfulness skills in the peaceful surrounds of…

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Drilling a frame on our Tiny house course

Build a Tiny House (Sold Out on this date)

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.

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

UK commits to net zero by 2050 – CAT response

Responding to the announcement of the UK’s commitment to reaching net zero greenhouse gas emissions by 2050, the Centre for Alternative Technology (CAT) is calling for the creation of a…

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Eye in the Sky

An innovative new project combining state-of-the-art monitoring methods with citizen science will provide a  picture of the changing landscape of ‘Living Wales’, helping improve environmental decision making. Brook Woodman reports.

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Natural Urbanism

In the second in our series on sustainable cities, Paul Chatterton looks at how designers are connecting to and learning from the natural world, helping transform the relationship between urban dwellers…

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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

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