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NASA study: Carbon content in trees overestimated

KEY POINTS:

  • NASA has digitally measured of millions of trees
  • LiDAR technique used by Goddard Space Flight Center
  • Study indicates carbon content in trees has been overestimated
  • Earlier studies relied on method based on cutting down trees
  • Old method overestimated the height of large trees
  • That resulted in skewed biomass figures
  • New findings could help understand impact on atmospheric carbon