Material in this section originates from the following category in our Subject Index:

Biospheric Productivity (Hemispheric)
Greening of the Earth (Hemispheric)
Productivity (Biosphere: Hemispheric)

Material preceded by an asterisk (*) was posted after this subject summary was written and therefore is not included in the summary.  This material will be integrated into the summary at a later date.

Summary

The Increasing Land Sink of the Northern Hemisphere

Two Decades of Northern Hemispheric Greening

The Effects of Temperature and CO2 Trends on the 1981-1999 Greening of North America and Eurasia