Tree rings: Volcano in Iceland chilled summer in Alaska

The Inuit tell stories about the year that summer never arrived. Tree rings from 1783 confirm that the Laki volcano in Iceland caused the cooldown.

Mikayla Mace-Arizona • futurity
Feb. 3, 2021 ~7 min

Tree rings chart more than 1,000 years of solar activity

Researchers have reconstructed the sun's activity going back to the year 969 by looking at the carbon in tree rings.

Oliver Morsch-ETH Zurich • futurity
Jan. 25, 2021 ~7 min

Tool predicts which forests will regrow on their own

A new mapping tool will help forest managers figure out where forests will regenerate on their own—and where they need assistance.

Kat Kerlin-UC Davis • futurity
Dec. 28, 2020 ~5 min

That dried-out Christmas tree is a fire hazard

Christmas tree disposal can prevent fire hazards and potentially benefit the environment. Here are some expert tips.

Texas A&M University • futurity
Dec. 28, 2020 ~6 min

Climate change could make trees lose leaves early

While some scientists have predicted that trees will lose their leaves later as climate change continues, new research finds the opposite.

ETH Zurich • futurity
Nov. 30, 2020 ~8 min

Is that mulch really cypress? Maybe some of it

People buy cypress mulch for rot resistance and other qualities, but new research finds that the label on the bag may be a lie.

Jeff Mulhollem-Penn State • futurity
Nov. 2, 2020 ~6 min

New wasp may be a parasite of a parasite

Researchers have discovered a new species of wasp with a role in an insect horror story playing out on the stems and leaves of oak trees.

Jade Boyd-Rice • futurity
Oct. 28, 2020 ~10 min

AI counts 1.8 billion trees in Sahara Desert

There are more trees in the West African Sahara Desert that you might think, according to a study that used artificial intelligence and satellite imagery.

Maria Hornbek-Copenhagen • futurity
Oct. 22, 2020 ~6 min

Multiple droughts can be a mixed bag for forests

When multiple droughts build on each other, they affect forests differently than one drought alone. Researchers are beginning to understand how and why.

Harrison Tasoff-UC Santa Barbara • futurity
Oct. 14, 2020 ~6 min

Common trees absorb less carbon as temps rise

"More warming for trees could mean more stress, more tree death, and less capacity to slow global warming..."

Mikayla Mace-Arizona • futurity
June 25, 2020 ~10 min