Europe’s forests are growing, but tropical areas are losing tree cover at a massive scale due to EU demand for imported products. Here’s how to redress the imbalance.
Many trees were still green in Maine’s Grafton Notch State Park on Oct. 1, 2021, when the area’s foliage is typically near peak color.
Cappi Thompson via Getty Images
Warm autumn weather has produced dull leaf colors across the eastern US this year, but climate change isn’t the only way that humans have altered trees’ fall displays.
Tools for a prescribed burn conducted in the Sierra Nevada in November 2019.
Susan Kocher
Susan Kocher, University of California, Division of Agriculture and Natural Resources and Ryan E. Tompkins, University of California, Division of Agriculture and Natural Resources
Two forest researchers whose own communities were threatened by fires in 2021 explain how historic policies left forests at high risk of megafires.
Ethiopians take part in a national mass tree-planting drive.
Minasse Wondimu Hailu/Anadolu Agency via Getty Images
Ian Dawson, Center for International Forestry Research – World Agroforestry (CIFOR-ICRAF); Lars Gradual, Center for International Forestry Research – World Agroforestry (CIFOR-ICRAF), and Ramni Jamnadass, Center for International Forestry Research – World Agroforestry (CIFOR-ICRAF)
Paying attention to tree seed to enhance forest landscape restoration: new resources for Africa are available.
Huge amounts of revealing data can be collected from sensors attached to trees.
Gennaro_Leonardi/Pixabay
Hooking trees up to internet-connected sensors provides a new way to study how they interact with the environment - and how the public interacts with their tweets.
The world’s pledges so far aren’t enough to stop climate change, U.N. data show.
Metamorworks via Getty Images
A growing number of countries and companies have pledged to reach net-zero emissions by 2050 or earlier. But there’s a catch – they still plan to keep emitting greenhouse gases.
Shorea smithiana, a rainforest tree vulnerable to habitat loss. Sepilok, Sabah, Malaysia.
David Bartholomew
Observations collected since the 1980s in the Amazon, Central Africa and Southeast Asia show we are not giving tropical forests enough time to recover after logging.
Mountain forests are significant carbon stores.
Heibe/Pixabay
This is the first time researchers have calculated the amount of carbon released from the world’s decaying wood. They found insects play an enormous role.
Emerald ash borer larva cut these feeding galleries on the trunk of a dead ash tree in Michigan.
corfoto via Getty Images
Biological control strategies curb pests using other species that attack the invader. A biologist explains why it can take more than a decade to develop an effective biological control program.
The Creek Fire burns near Shaver Lake, Calif., in the Sierra Nevada in September 2020.
AP Photo/Noah Berger
The Tongass National Forest in Alaska, a focus of political battles over old-growth logging and road-building in forests for decades, has received new protection from the Biden administration.
Scientists have been consistently documenting environmental changes at research sites like this one in the Cascade Mountains for decades.
US Forest Service
More than 40 fire scientists and forest ecologists in the US and Canada teamed up to investigate why wildfires are getting more extreme. Climate change is part of the problem, but there’s more.
Juniper trees, common in Arizona’s Prescott National Forest, have been dying with the drought.
Benjamin Roe/USDA Forest Service via AP