Find out the latest in forestry news in this week’s Forest Digest!

• US forests under threat as demand for wood-based biofuels grows – report — The Guardian
  A report recently released by the Natural Resources Defense Council revealed that increased wood pellet exports for biofuels, particularly to Europe, are threatening “ecologically important” forests in the United States.
• X-ray technology reveals California’s forests are in for a radical transformation — Los Angeles Times
  Biologist Greg Asher has used x-ray technology to calculate that the state of California could lose between 7 and 20 percent of its trees; forests normally lose between 1 and 1.5 percent annually.
• Fall Foliage Timing Comes into Clearer Focus — Scientific American
  After careful analysis of satellite imagery from different forest ecosystems in the New England region, researchers have gained a better understanding as to the factors influencing autumn’s foliage color change.
• Saving the forest for the beers — TreeHugger.com
  This TreeHugger.com article takes a unique approach to discussing the need for healthy forests: clean water provided by forest ecosystems is important for brewing beer!