- The rubbish vacuum
Most of us regard household waste handling as nothing more than a practical necessity, not something to give a lot of thought. It’s… - Wind power stored in the sea
Renewable energy advocates have long eyed the possibility of capturing the power of ocean swells and breaking waves, but finding practical… - Environmental twist on a century-old business concept
Since the late 1800s, the Ludvig Svensson textile factory has stuck to its original business concept: manufacturing high-quality textiles… - Efficient household appliances
When you hear the term “cleantech”, you might think of exotic products dreamed up by eccentric entrepreneurs with visions of changing… - Interest in solar cells is growing rapidly
Do you have a battery-free pocket calculator? Then you probably own a solar cell – a piece of equipment which converts sunlight into… - Fibre optics bring light to dark rooms
Fibre optics can create a more wholesome indoor environment and save energy. For practical reasons, work in the traditional farming community… - Efficient light sources and light management save energy
Lighting is responsible for between 30 and 45 percent of the total energy consumption in an office block. A modern lighting installation… - Low-energy light bulbs without mercury
With the aim of developing a low-energy light bulb which works without mercury, Russian scientists and scientists from Chalmers University… - Heating systems to safeguard the future
The old oil-fired and electrical boilers used for heating homes really are past their sell-by dates – both from an environmental point… - Passive houses
The idea behind a ”passive house” is that it does not require a traditional heating system run, for example, on oil, wood or electricity.…
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