Five new old papers

We post new scans of four of our older papers:
A Review of Estimates of Future Carbon Dioxide Emissions, part of “Changing Climate: Report of the Carbon Dioxide Assessment Committee” (360 KB)
Directions for Environmental Technologies (1 MB)
Technology and the Environment: An Overview (1 MB)
Regularities in Technological Development: An Evnironmental View (1.5 MB)

Also, we post a new color scan of a previously posted paper:
A Second Look at the Impacts of Climate Change (7.7 MB)