Author Archive: Christopher Horn


Forest pests: Where is the threat?

By Faith Campbell, Emeritus environmental advocate and tree-pest expert As I said in my previous blog, many damaging pests enter the United States by hiding inside wood packaging material (WPM) such as crates and pallets. What types of imports pose the greatest risk of carrying unwanted insect pests in crates and pallets? Heavy items, such […]

Up-close with Yellowstone’s whitebark pine

Brad Bauer knows a thing or two about his backyard. Bauer lives in Montana and works at Montana State University’s Gallatin County Extension, where he directs the Natural Resource Program and assists the communities and individuals in Gallatin, Meagher, and Park Counties in Montana in understanding natural resources. Bauer is helping American Forests and National […]

Whitebark pine: Strategy in the Greater Yellowstone Area

Whitebark pine ecosystems face pest, disease and climatic threats that have — and could further — wreak havoc on stands of this keystone species. Fortunately for the trees, and the plants and wildlife that rely on them to survive, American Forests and our partners in the Greater Yellowstone Area are working towards solutions that can […]

Water supply and the whitebark pine

American Forests helped leverage National Park Service (NPS) funding in the Greater Yellowstone Area (GYA) to estimate the Available Water Supply (AWS) for the 176 long-term whitebark pine monitoring sites. NPS personnel had previously started gathering data in 2013, but limited funding paused the project. Dr. Henry Shovic, working with a team of National Park […]

Introducing tree-pest expert Faith Campbell

Homepage photo credit: Kyle Ramirez Faith Campbell knows a thing or two about trees and the insects that threaten them. She brings years of experience, including her most recent post at The Nature Conservancy, to Loose Leaf as one of our new guest bloggers. Before diving into the interesting and sometimes volatile relationship between trees, […]

A presidential plea

Last week, American Forests launched its first-ever petition through TakePart’s Take Action forum — a letter to President Obama to make forests play an important role in the country’s climate change plan — and have seen a tremendous amount of people from across the world sign on. President Obama announced the initiative in July, highlighting […]

Our Hill adventure

By Caroline Brooks, Communications Intern and Sofia Maia-Goldstein, Policy Intern Last week, our policy intern Sofia discussed the fifth anniversary celebration of America’s Longleaf Restoration Initiative (ALRI). Because American Forests is one of ALRI’s partners, she had the opportunity to attend several events both at the Department of Agriculture offices and on Capitol Hill. Caroline, […]

Researchers develop plant-based
water filtration system

One billion people across the world don’t have access to clean drinking water, and waterborne disease kills millions of people, notably children, each year. A researcher at the Massachusetts Institute of Technology (MIT) is developing a potentially game-changing water filtration system from an unlikely source: trees. Dr. Rohit Karnik, a mechanical engineering professor at MIT, […]