Context: Worldwide consumption of paper has risen by 400% in the past 40 years leading to increase in deforestation, with 35% of harvested trees being used for paper manufacture. Most paper companies also plant trees to help regrow forests. Logging of old growth forests accounts for less than 10% of wood pulp, but is one of the most controversial issues.

Question: In the last 40 years, how much has worldwide paper consumption risen?
Answer: 400%

Question: What percentage of harvested trees are used in the manufacturing of paper?
Answer: 35%

Question: What do many paper companies do to ensure the health of forests?
Answer: plant trees

Question: What percentage of wood pulp comes from old-growth trees?
Answer: 10%

Question: What has risen by 35% over the last 400 years?
Answer: Unanswerable

Question: By how much has worldwide consumption of paper decreased over the last 40 years?
Answer: Unanswerable

Question: What to most forest plant to help regrow companies?
Answer: Unanswerable

Question: What accounts for more than 10% of wood pulp?
Answer: Unanswerable

Question: What percentage of trees harvested are not used for making paper?
Answer: Unanswerable

Question: In the last 10 years, how much has worldwide paper consumption risen?
Answer: Unanswerable

Question: What percentage of harvested bushes are used in the manufacturing of paper?
Answer: Unanswerable

Question:  What do many paper companies do to ensure the health of oceans?
Answer: Unanswerable

Question:  What percentage of wood pulp comes from new-growth trees?
Answer: Unanswerable