Forests and climate change by the numbers:

n Portion of all carbon dioxide “emissions” worldwide from forest degradation: 25 percent

n Amount of carbon dioxide in 1 ton of wood: 3.66 tons

n Tons of carbon per acre in an average New England softwood forest (pine, hemlock): 20

n Tons of carbon per acre in an average New England hardwood forest (maple, beech, birch): 40

n Tons of carbon per acre in a Pacific Northwest softwood forest (redwood): 125 to 700

n Tons of carbon per acre in an old-growth redwood forest: 3,750 or more

n Average tons of carbon in one acre of California forest (softwood and hardwood): 50

n Acres of California hardwood and softwood forest lost each year: 60,000

n Annual carbon dioxide “emissions” from deforestation in California: 11 million tons

n Number of cars to emit 11 million tons of carbon dioxide annually: 1.57 million

n Number of SUVs to emit 11 million tons of carbon dioxide annually: 895,000

n Value in California of 1 ton of carbon stored through forest growth: $5 to $20

n Portion of U.S. landmass covered by forest at time of European settlement: 2/3

n Portion of U.S. landmass covered by forest now: 1/3

n Acres of forest lost in the United States each year: 1 million

n Size of the Northern Forest: 26 million acres

n Size of the White Mountain National Forest: 780,000 acres

n Acres of timberland in New Hampshire: 4.45 million

n Acres of forest lost to development in New Hampshire each year: 12,000 to 17,500

n Portion of New Hampshire timberland that is privately owned: 70 percent

n Portion of all New Hampshire land protected by conservation easements: 29 percent