Tag: David Orwig

  • Science & Tech

    Want to know how cold it was in 1490? Ask a tree

    Tree rings could hold clues to climate change and forest change.

    6–9 minutes
    Tree cores Harvard Forest
  • Science & Tech

    The high costs of imported pests

    Scientists from Harvard Forest joined a group of experts calling for new regulations and stepped-up surveillance to stem a flood of invasive forest pests whose costs are borne by U.S. homeowners, cities, and towns.

    5–7 minutes
  • Science & Tech

    An invasion of New England

    While new species naturally expand to other places and sometimes disrupt the scene when they arrive, the pace of introduction of invasive species has picked up enormously over the past century and a half, stressing and transforming New England forests.

    4–6 minutes