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

• Study: Trees with thicker bark are more resistant to fire — UPI.com
  A new study published in the journal Ecology Letters looks at the adaptation of thicker bark on trees in fire-prone regions to help protect against the threat of fire; however, they are still vulnerable as the risk of megafires increases.
• California’s iconic ‘tunnel tree’ has finally fallen — ScienceAlert.com
  One of the United States most famous trees has toppled. The Pioneer Cabin tree was estimated to be more than 1,000 years old, but a tunnel was carved into the trunk more than 100 years ago.
• Stalagmites in dry corridor suggest Amazonia maintained forests during the last ice age — Phys.org
  New findings published in the journal Nature, from a team of international researchers, reveals that Amazonia most likely remained forested during the last ice age, rather than reverting to savannah as many have previously believed, based on the study of stalagmite samples.
• Will Genetically Modified Plants Save Us From Climate Change? — Inverse.com
  A professor from Rutgers University is exploring how genetically modified trees, which could more efficiently take up carbon dioxide, could help us in the fight against climate change.