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Education Resources

Pedal power

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What's a watt?  The real meaning of electrical power needs to be accessible to all of us, not just the scientifically minded.

A bicycle powered electrical generator can help to deliver a better understanding of what power really means for all of us.  Switching on a light or an air conditioner is simple enough for a one year old, but when you have to pedal to power the device then you can feel the meaning of power.  Inspired by the BBC TV programme Bang Goes the Theory broadcast in late 2009, we rigged a bicycle to a generator that powers either 150 Watts worth of regular tungsten filament lights or 25 Watts worth of compact fluorescent lamp.  You can feel the difference on your legs.

Global Warming Demo

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microscope Global warming is now widely taught in schools, but theory, textbook and internet resources don't make it real in the classroom.We're developing equipment that will allow schools to demonstrate global warming and enable students to run experiments where they can vary the quantity of carbon dioxide and see the effect for themselves.  Hopefully this will be ready for the new school year in August 2010.

Schools' big footprints

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5m_dollar_footprint_sm This is the carbon footprint of a school that uses HK$4.5 million of electricity per year.  The area in red that is most of the Kowloon peninsular would have to be covered by trees to soak up the carbon dioxide generated by this one school's electricity use alone.

Black Balloons

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The New South Wales government in Australia has run an excellent black balloons campaign about greenhouse gas emissions that helps people to visualize carbon dioxide emissions from electricity use. You can see the video here.

Beijing launch for C4C

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bc_c4c_1-4-10sm Climate4Classrooms is a new initiative launched by the British Council to provide high quality teaching resources about Climate Change for schools.  The materials have been developed in collaboration with experts at the Royal Geographical Society and Royal Meteorological Society in the UK.  It was officially launched in China at a conference in Beijing at the end of March.  The Hong Kong contingent at the conference agreed that a partnership including the British Council in Hong Kong, Teng Hoi and a number of schools would work together to promote the use of C4C in Hong Kong.

ABOUT OUR ORGANISATION

th_logo_2010_smTeng Hoi Conservation Organization is a member of Take Tech Ltd, a non-profit making organization registered in Hong Kong.  We develop practical and participative environmental programmes with a strong emphasis on education and measurable results.  'Teng Hoi' is a Cantonese phrase that translates as 'listen to the sea', a name that came from our first programme, the development of a device to locate explosions underwater generated by illegal fish bombs.

BBC Environmental News Feed

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The latest stories from the Science & Environment section of the BBC News web site.
BBC News - Science & Environment