Take tree ring-based climate reconstructions in the third IPCC report.

FORBES: The Global Warming Establishment Needs More than Cosmetic Fixes

Kent, Ohio-based Davey Tree Service alone has made 80 acquisitions, he says, noting that the company has 7, 000 employees.

FORBES: Employees Quietly Emerge As New Force In Buyouts

Web-based alternatives often seem less respectable than their dead-tree counterparts.

ECONOMIST: Scientific publishing

Instead, we should explore less unpleasant ways to cut energy use though such things as incentives for decentralizing work, promoting home-based labor, more tree planning and effective insulation.

FORBES: New Geographer

His mission: to create the world's first zero-emission, hydrogen-based economy--and to pull it off through no-nonsense business principles, not tree-hugging wishful thinking.

FORBES: Mister Natural

Since I last tested Ancestry in 2006, the company has revamped its desktop software program, Family Tree Maker, so the program can synchronize with Web-based data on Ancestry.com.

WSJ: Digging Deeper Into Roots With Spruced-Up Ancestry.com

Conceptually, the system appears to be very similar to the Social Bicycles model that we wrote about earlier this summer as part of our Insert Coin series, though that US-based prototype includes a u-style lock, for securing the bike to a post or tree.

ENGADGET: NTT DoCoMo Shared Bicycle Initiative hands-on (video)

In North America, Laki has been blamed for the starvation of Inuit populations from severe cold in northwestern Alaska, based on Inuit oral history as well as tree-ring density data investigated by Gordon Jacoby and others, who estimated that conditions were about 4 degrees Celsius colder than the mean.

CNN: How volcanoes can change the world