Posts Tagged ‘Green Tech’

Floating “Lilypad Cities”

Monday, August 11th, 2008

Based on the design of a lilypad, they could be used as a permanent refuge for those whose homes have been covered in water. Major cities including London, New York and Tokyo are seen as being at huge risk from oceans which could rise by as much as 3ft by the end of this century.

This solution, by the award-winning Belgian architect Vincent Callebaut, is designed to be a new place to live for those whose homelands have been wiped out.

The ‘Lilypad City’ would float around the world as an independent and fully self-sustainable home. With a lake at its centre to collect and purify rainwater, it would be accessed by three separate marinas and feature artificial mountains to offer the inhabitants a change of scenery from the seascape.

Power for the central accommodation hub is provided through a series of renewable energy sources including solar panels on the mountain sides, wind turbines and a power station to harness the energy of the waves.

–>Link to Vincent Callebaut Architecte LILYPAD

–>Link to article @ dailymail.co.uk

MIT Claims 24/7 Solar Power

Thursday, July 31st, 2008

A liquid catalyst was added to water before electrolysis to achieve what the researchers claim is almost 100-percent efficiency. When combined with photovoltaic cells to store energy chemically, the resulting solar energy systems could generate electricity around the clock, the MIT team said.

“Solar cell makers can add super-cheap electrolyzers to their system so that they work 24/7 — during the day making hydrogen and oxygen, then at night recombining it in fuel cells to generate electricity,”

–>Link to article

Monolithic Domes: durable, energy-efficient

Tuesday, July 29th, 2008


Simply defined, the Monolithic Dome is a super-insulated, steel-reinforced concrete structure that can be designed for virtually any use: office or business complex; school; church, synagogue or temple; gymnasium or sports arena; theater or amphitheater; airplane hangar; factory; bulk storage facility; house or apartment complex; military installation, etc.

Generally, the construction cost of a Monolithic Dome is less than that of a conventional building of the same size with similar fittings and fixtures. A streamlined construction process and the use of only four major ingredients contribute significantly to the dome’s economy. Those principal ingredients or materials are an Airform, polyurethane foam, rebar and concrete.

An Airform is an inflatable fabric structure, made of PVC coated nylon or polyester fabrics. When inflated, the Airform determines the shape and size of the finished building, and it remains on the structure as its roof membrane.

–>Link

Carbon Neutral Eco-boat Smashes Global Circumnavigation Record

Friday, July 18th, 2008

Earthrace is a 78 foot alternative fuel powered wave-piercing trimaran; part of a project to break the world record for circumnavigating the globe in a powerboat—and to do so using only renewable fuels.

Earthrace started her attempt to set a new world speed record for a powerboat to circle the globe from Vulkan Shipyard, Sagunto, Spain on Sunday 27 April 2008, 13.35 GMT/14.35 CET. She crossed the finish line on 27 June 2008 at 12.24.00 GMT/14.24.00 CET.

The previous record was 74 days 20 hours 58 minutes 30 seconds*. This record was set by UK boat ‘Cable & Wireless Adventurer’ in 1998.

Earthrace smashed the record by almost 14 days, completing almost 24,000 nautical miles in just 60 days 23 hours and 49 minutes!

–>Link to Earthrace website

–>Link to NPR Science Friday segment

Arcosanti: An Urban Laboratory in the Arizona Desert

Friday, July 11th, 2008

Arcosanti is an experimental town that began construction in 1970 in central Arizona, 70 miles (110 km) north of Phoenix. Architect Paolo Soleri, using a concept he calls arcology (a portmanteau of architecture and ecology), started the town to demonstrate how urban conditions could be improved while minimizing the destructive impact on the earth.

–>Link to Arcosanti website

Mushrooms can save the world

Monday, July 7th, 2008

Mycologist Paul Stamets studies mycelium and lists 6 ways that this astonishing fungus can help save the world. Cleaning polluted soil, creating new insecticides, treating smallpox and maybe even the flu … in 18 minutes, he doesn’t get all the way through his list, but he has plenty of time to blow your mind. An audience favorite at TED2008. (Recorded February 2008 in Monterey, California. Duration: 17:44.)

–> Link to TEDBlog, video & transcript

EarthBag Building

Sunday, July 6th, 2008

Building with earthbags (sometimes called sandbags) is both old and new. Sandbags have long been used, particularly by the military, for creating strong, protective barriers, or for flood control. The same reasons that make them useful for these applications carry over to creating housing. Since the walls are so substantial, they resist all kinds of severe weather (or even bullets) and also stand up to natural calamities such as earthquakes and floods. They can be erected simply and quickly with readily available components, for very little money.

http://earthbagbuilding.com
–> Link


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