In the amount of wood and forest decline. Currently it can be solved by planting trees grow faster than the currently grown to 5 times, it is sufficient to use in the future.
In the consumption of wood and forest areas. At present, it can be solved by planting more fast-growing up to 5 times the current, it will be enough to take advantage in the future.
The amount of the use of wood and the amount of the reduction in forest area in the current can be solved by planting trees grow fast growing more than the current more than 5 times, it will be enough to get in the future.