By Susan Kraemer •
December 13, 2009
it is a very fortunate accident of history that water made for such easy hauling. Early roads got muddy and it was easier to move stuff along waterways. As a result many big cities like New York City and Hong Kong and Toronto are now ideally situated to use that cold water nearby for carbon-neutral district air conditioning.
These cities now are virtually artificial cliffs, right at waters edge, right where they need to be to take advantage of a very [...]
By Susan Kraemer •
July 10, 2009
Up to 50 percent of all fuel burned in the US goes unused into our atmosphere as wasted heat; the US Department of Energy has found. The total, a mind boggling 7 quadrillion BTUs; exceeds the current output of all other US renewable sources - such as solar, wind and geothermal, combined.
We could use this potential waste heat capacity to generate 46 GWs of new, clean electricity annually.
By Brad Jester •
September 25, 2007
Lolland-Falster, Denmark
Until recently, I might have searched California’s sustainable communities to find the greenest living place on the planet. To my surprise, on a recent visit to
Lolland-Falster (LF), two Danish islands with about 120,000 residents
combined, I was introduced to a place that takes sustainability to the next level and provides a glimpse into the future.
