From time to time colleagues inquiry about the H:C ratio of wood. Click
here for the explanation:
http://phe.rockefeller.edu/PDF_FILES/Wood_HC_Ratio.pdf

We notice that an older (1993) paper has been scanned:
“Flat Organizations for Earth Science.”
http://phe.rockefeller.edu/PDF_FILES/FlatOrg.pdf

Economics columnist Ronald Bailey runs an on-line essay about ecological
overshoot that draws on PHE research:
http://reason.com/rb/rb062602.shtml

The paper
“A framework for sustainability science: A renovated IPAT identity”
is published in the Proceedings of the National Academy of Sciences.

Stimulated by a request from the Economist magazine for an article on
sustainability for their 6 July issue, Iddo Wernick updates our classic
figure on materials use and dematerialization in the US economy through the
year 2000. Here is the powerpoint file:
IOU_FIGURE_061002_1.ppt, here is the excel file:
IOU_061002.xls.