07 Oct '11, 3pm

Green Blog: An Escalator That Feeds the Building: Otis introduces an escalator that combines regenerative braki...

Regenerative braking , which involves taking unwanted mechanical energy and turning it back into electricity instead of letting it dissipate it as heat, is well established in cars like the Toyota Prius and has lately made inroads in railway locomotives . Otis In both cases, an electric motor, which converts current into mechanical energy, briefly reverses its function to become a generator, converting mechanical energy into current. One problem for cars is that the flow of electricity is so large that batteries have trouble absorbing it. For the last decade or so, companies have been using regenerative braking in elevators. Elevators normally use counter-weights that are equal to the mass of a half-empty elevator car. If the car is going up with only one person on it, or coming down full, there is gravity to fight with and brakes have to be used. Otis, the largest elevato...

Full article: http://green.blogs.nytimes.com/2011/10/07/an-escalator-th...

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An Escalator That Feeds the Building

green.blogs.nytimes.com 07 Oct '11, 3pm

Regenerative braking , which involves taking unwanted mechanical energy and turning it back into electricity instead of le...

An Escalator That Feeds the Grid

green.blogs.nytimes.com 07 Oct '11, 3pm

Regenerative braking , which involves taking unwanted mechanical energy and turning it back into electricity instead of le...

Green Home Building: Natural Building Techniques: Earthbag

Green Home Building: Natural Building Technique...

greenhomebuilding.com 08 Oct '11, 6pm

by Kaki Hunter, Donald Kiffmeyer, 2004. Earthbag Building is a comprehensive guide to all the tools, tricks, and technique...

Taking the Rose-Colored Glasses Off the Green Building Movement

Taking the Rose-Colored Glasses Off the Green B...

greenbiz.com 06 Oct '11, 10am

There's a difference between a green revolution and a green party, and many in the sustainability movement have been mista...

Green Home Building and Sustainable Architecture: A Short History of Earthbag Building

Green Home Building and Sustainable Architectur...

blog.greenhomebuilding.com 08 Oct '11, 6pm

In 2006, at the request of Dr. Owen Geiger of the Geiger Research Institute of Sustainable Building, the Department of Civ...

Building bridges between China and Japan

Building bridges between China and Japan

channelnewsasia.com 06 Oct '11, 7am

SICHUAN: Despite being close neighbors, relations between China and Japan had often been difficult and marked by frequent ...

Love this! Thank you Ecological Building Network

Love this! Thank you Ecological Building Network

ecobuildnetwork.org 09 Oct '11, 12am

"What is the point of having a nice house, if you don't have a decent planet to put it on?" Henry David Thoreau wondered t...

What is a #GreenBuilding? Check out the Green B...

gbapgh.org 16 Oct '11, 6pm

A green, sustainable or high performance building is a structure that is designed, built, renovated and/or operated to use...

Green building tours around Toronto start now, ...

greenbuildexpo.org 07 Oct '11, 3pm

Half Day Tours Friday, October 7 1:30-5:30 p.m. $45 early/$65 late HD01 Water & Gold: Toronto's New Office Buildings and t...

Infographic: Inside Latin America's First LCA of a New Building

Infographic: Inside Latin America's First LCA o...

greenbiz.com 06 Oct '11, 12pm

The new soaring Rosario Norte Building in Santiago, Chile, possesses something that no other structure in Latin America ha...

Passivhaus support | Building services | Green ...

greenbuildingstore.co.uk 15 Oct '11, 11pm

For those at an early stage in the design process, we recommend to come out our one day intensive Passivhaus training cour...

New blog post - affordable housing is leading green building:

New blog post - affordable housing is leading g...

greenbuildingadvisor.com 11 Oct '11, 10am

I recently learned that in Georgia, as well as much of the rest of the country, Low Income Housing Tax Credits (LIHTC) , t...

Green building for hotels

Green building for hotels

mnn.com 19 Oct '11, 6pm

Go green or get left behind. That's the message many hotel owners are hearing as they watch their competitors slash operat...

Nice intro pc 4 #GBNEXT guests:How Green Is My ...

It was a gutsy move, picking Toronto as the site for Greenbuild 2011. For decades the city has been a magnet for American ...

Need a floor this wknd? Our Seattle & Portland ...

ecohaus.com 08 Oct '11, 12am

The West Coast’s largest selection of eco-friendly building supplies since 1992. Sign up for our newsletter Are you a buil...