Looking back one, two and five years ago today on Worldchanging:

2009
Solar Panels To Boost Property Prices
Joe Romm argues that “as peak oil kicks in and the reality of human-caused climate change becomes painfully clear, energy efficiency, geothermal heat pumps, solar panels and the like will increasingly be seen as a desirable if not essential elements of a home, like an up-to-date kitchen, rather than just a cost…”

2009
If It Makes Money, It’s Not a ‘Cost’!
A vintage Worldchanging essay where Alan AtKisson writes that when it comes to spending money on the environment, it’s not a cost — it’s an investment…

2005
XAccess
Jamais Cascio reports on the non-profit XAccess, which makes a cargo-bike add-on available at low or no cost to in the developing world…

Other recent “look backs”:
August 31
September 1
September 2

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(Posted by WorldChanging Team in Energy at 10:30 AM)