Figure 4.

Cumulative total carbon stored in HWP manufactured from Northern Region timber using the IPCC/EPA approach. Cumulative total carbon stored in harvested wood products (HWP) manufactured from timber harvested from Northern Region National Forests using the IPCC/EPA production accounting approach. Carbon in HWP includes both products that are still in use and carbon stored at solid waste disposal sites (SWDS), including landfills and dumps.