Ecosia is a search engine that donates 80% of its income to a tree planting program in Brazil. By searching with Ecosia you can help the environment for free.
is the first, secure, online whistleblower platform dedicated to Wildlife & Forest Crime.
Alliance For Community Trees (ACTrees)
is a national movement to improve the environment and our communities one tree at a time. ACTrees supports the needs of communities, nonprofits, businesses, and others engaged in urban forestry.
helps villagers living in the drylands of Africa unlock the potential of trees to reduce poverty and protect the environment, building its richness and health not just for today, but for generations to come.
Conservation & Preservation
American Forest Foundation
works on-the-ground with families, teachers, and elected officials to promote stewardship, keep forests healthy, and protect forest heritage in the United States.
Archangel Ancient Tree Archive
is a non-profit organization that locates and propagates the world’s oldest and most iconic trees. They are creating living libraries of old-growth tree genetics.
works to ensure a healthy and productive planet for us all. They help communities, countries and societies protect tropical forests, lush grasslands, rivers, wetlands, abundant lakes and the sea.
International Tree Foundation (ITF)
supports projects that involve planting trees that provide food and income for local people. In many cases this simultaneously addresses environmental issues such as habitat restoration and fundamental rights issues.
The American Chestnut Foundation
is restoring the American chestnut tree to eastern woodlands in the US to benefit the environment, wildlife, and society. In the process, they are creating a template for restoration of other trees and plants.
The Garden Conservancy
has joined together with gardeners, local organizations, and other like-minded partners since 1989 to preserve exceptional American gardens for the education and enjoyment of the public.
The Nature Conservancy
is the leading conservation organization working around the world to protect ecologically important lands and waters for nature and people.
How To Build A Treehouse Course
covers the planning, technology and simple principles needed to design a treehouse that meets your needs, along with ideas and practical skills that will enable you to build it.
ISA Online Learning Center
The International Society of Arboriculture Online Learning Center is a portal to learning and professional development in the field of arboriculture.
Tree Climbers International
is a worldwide organization of people who love to climb trees and the world's first school for recreational tree climbers. They provide qualified tree climbing instruction by highly-trained instructors.
Natural Resources Defense Council (NRDC)
is one of the nation's most powerful environmental groups, combining the power of 1.3 million members and online activists with the expertise of more than 350 lawyers, scientists and other professionals.
is a leading provider of products and services to the electric utility, telecommunications, tree care, lights and signs, and contractor markets.
Society of Municipal Arborists
is an organization of municipal arborists and urban foresters that strives to create networking and educational opportunities that promote the sound, professional management of a vital and invaluable resource.
is a specialist recruitment agency for the gardening,landscaping and horticulture industries throughout the UK.
has been helping arboricultural companies in the UK advertise job openings since 1999. With over 9,000 visitors a month, it’s one of the most popular places to seek arboriculture and forestry employment.
Find a Forestry Job
displays job opportunities in a wide range of forestry-related fields. It’s completely free for candidates looking for jobs.
Get Forestry Jobs
This resource for forestry job seekers and employers is free to search and there is no charge to post openings.
Jobs in Horticulture
is free for job-seekers looking for new tree care jobs, arboriculture jobs, floral jobs, landscaping jobs, nursery jobs, greenhouse jobs, botanical garden jobs, irrigation jobs, estate gardener jobs, interiorscape jobs, IPM jobs, and more.
Tree Care Jobs
is free to job seekers and affordable for employers. They attract experienced industry professionals who know what they are looking for, as well as people looking to start a career in tree care.
showcases the latest in green career opportunities from treehugger.com.
Virginia Cooperative Extension
is an organization of credible experts who share university knowledge for free with everyone. This page contains dozens of guides and reference materials you can use to care for trees, shrubs, and groundcovers.