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[[Image:CAT cameroon.jpg|thumb|right|150px|Technology Exhibition at CAT Cameroon]]
This Centre for Alternative Technology aims to show people how to live in a sustainable manner, in rural as well as in fully developed, urban areas. The centre focuses on renewable energy, environmental building, energy efficiency, organic growing and alternative sewage systems. The centre has a range of interactive displays and other exhibits of sustainable technologies in these fields.
====Water management====
[[Image:CAT cameroon.jpg|thumb|right|150px|Technology Exhibition at CAT Cameroon]]
Water is supplied to the centre through rainwater harvested in reservoirs. Some of this is used directly, for example to flush toilets or water the gardens. For drinking water however, the water is treated through a slow sand filter and a UV filter. They also try and conserve water around the centre, using low flush toilets or waterless urinals, water saving taps, etc. Further shown, is how the water cycle can be used to generate electricity. For example, turbines are installed where the water flows downhill.
====Construction methods====
[[Image:CAT cameroon.jpg|thumb|right|150px|Technology Exhibition at CAT Cameroon]]
The centre displays various buildings which are low-impact in different ways. Some for example are built using turf roofs, biodegradable materials or solar panels. They are also energy efficient, and use for example passive solar heating, where sunlight coming in through big windows warms the room.
====Composting====
[[Image:CAT cameroon.jpg|thumb|right|150px|Technology Exhibition at CAT Cameroon]]
Since the centre is built on an unused slate quarry, compost was much needed to rebuild the soil. They have a large interactive display explaining how it works. They recently installed a composter, which runs on renewable energy. Further they employ a compost toilet at the centre, which directly converts sanitation products into compost.
====Organic gardening==== [[Image:CAT cameroon.jpg|thumb|right|150px|Technology Exhibition at CAT Cameroon]]
There are various different gardens, where crops are grown which are used for food around the centre. They also display how compost was used to convert the slate and dust into fertile gardens. There is also a woodland area, where various types of trees are grown and used to build furniture in a sustainable manner.
====Solar energy==== [[Image:CAT cameroon.jpg|thumb|right|150px|Technology Exhibition at CAT Cameroon]]
There is a range of solar panels, photovoltaic devices, a solar water heating system and passive solar heating (for buildings).
====Whole Home====
[[Image:CAT cameroon.jpg|thumb|right|150px|Technology Exhibition at CAT Cameroon]]
The eco-friendly house shows easy methods of making your home more sustainable. The building itself is known as the best insulated building in Britain. It is filled with environmentally friendly household appliances. The garden outside, shows how rainwater can be harvested, food can be grown, composting, and other purposes.
====Wind Power====
[[Image:CAT cameroon.jpg|thumb|right|150px|Technology Exhibition at CAT Cameroon]]
There are a range of wind turbines in the CAT’s wind pavilion, each with a different capacity. Ranging from those suitable to charge vehicle batteries to those used to power hundreds of homes. Many of the appliances in the eco-cabins at the centre, run on energy from their wind generator. The CAT’s initiative also encouraged the building of two large turbines outside the centre, used by the community surrounding.