Tag Archives: cities

Alex Steffen’s SXSW Eco Keynote

Alex Steffen gave one of the keynotes, at the first SXSW Eco Conference this fall, talking about good cities as the single best leverage point we have in reducing GHG emissions.  It’s broadly the same collection of ideas as his … Continue reading

Posted in linkstream | Tagged , , , , , , | Leave a comment

Cities as the environmental solution, not the problem

A series of posts from the NRDC on how good, human friendly cities are actually the most sustainable places for people to live, in contrast to our fond fantasies about the country, and especially the suburbs.

Posted in linkstream | Tagged , , , | Leave a comment

Location Efficiency More Important than Home Energy Efficiency

How important is Location Efficiency?  Median US home price: $175k.  With a traditional 20% down 30 year mortgage, total loan payments amount to about $350k.  Utilities over the same timeframe are around $75k.  And the cost of commuting from suburbia?  … Continue reading

Posted in linkstream | Tagged , , , , , , , | Leave a comment

Industrial Scale Urban Farming in NYC

TED fellow Viraj Puri talks about his Brooklyn rooftop farming startup.  Gotham Greens has ~1500 square meters of hydroponic greenhouses producing herbs and salad greens in a very controlled environment… somewhere between a farm and a manufacturing facility.  The system … Continue reading

Posted in journal | Tagged , , , , , , , | Leave a comment

Location Efficiency and Housing Type

According to this EPA study, regardless of the type of housing, living in an area with good transit access saves more energy than building a “green home”. Of course, living in a mixed use, transit accessible apartment that’s also energy … Continue reading

Posted in linkstream | Tagged , , , , , , , , , , | 2 Comments

Population Growth vs. Migration in Boulder and the World

The Boulder Blue Line has a short post entitled This Law Cannot Be Repealed by Albert Bartlett, who is an emeritus professor of Physics at CU, and who is most well known for speaking about the absurdity of “sustainable” growth … Continue reading

Posted in journal | Tagged , , , , , , , , | Leave a comment

Code 46 and the dearth of thoughtful science fiction

I recently watched Code 46 again.  When I first saw it a few years ago I didn’t like it very much, but this time it seemed more interesting.  The storyline doesn’t hold together very well, and from a scientific point … Continue reading

Posted in journal | Tagged , , , , , , , , | Leave a comment

When do fuel costs actually matter?

Kim Stanley Robinson gave a fun talk at Google a couple of years ago in which he brought up the possibility of large, slow, wind powered live-aboard bulk freighters, among other ideas.  I was reminded of it by this post … Continue reading

Posted in journal | Tagged , , , , , , , , , | 5 Comments

Green Manhattan

A good piece from The New Yorker on what makes dense urban areas intrinsically better for the environment than suburbia or back-to-the-land fantasies.  More people closer together need less transportation to go about their daily lives.  High density buildings need … Continue reading

Posted in linkstream | Tagged , , , , , | Leave a comment

Cities and Revolution

Another thing that cities do is make revolution possible.  Which is interesting to think about, given that more than half the humans now live in cities, many of them in relatively poor, relatively un-free conditions.

Posted in linkstream | Tagged , , , , | Leave a comment