3.4 billion
7.0 billion
9.3 billion
11.5 billion
Month
Week
Day
Hour
3.4 billion
6.8 billion
9.4 billion
11.5 billion
187 million
220 million
313 million
459 million
True (T)
False (F)
True (T)
False (F)
True
False
True (T)
False (F)
True
False
True (T)
False (F)
Commercial logging
Wildfire
Clearing of lands for agricultural use
Gathering of firewood
Building of roads and cities
72 percent
50 percent
33 percent
17 percent
True (T)
False (F)
Forest harvest exceeds net growth by 20 percent.
Forest harvest exceeds net growth by 5 percent.
Forest harvest roughly equals net growth.
Net forest growth exceeds harvest by 29 percent.
Net forest growth exceeds harvest by 72 percent.
True (T)
False (F)
True (T)
False (F)
True (T)
False (F)
True (T)
False (F)
True (T)
False (F)
True (T)
False (F)
True (T)
False (F)
14 percent
37 percent
63 percent
92 percent
14 percent
37 percent
63 percent
92 percent
True (T)
False (F)
True (T)
False (F)