The tree mix matters. Near Chesapeake Bay, scientists have been experimenting with mini-forests for over a decade. The surprising results show how biodiversity pays off.
Articles on Arbor Day
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Tu BiShvat has religious roots, but early Zionists embraced the day in new, more secular ways.
Large-scale tree-planting projects are politically popular and media-friendly, but without effective planning and long-term management, they can do more harm than good.
People have painted on cave walls and written on clay and wax tablets, papyrus and paper made from wood. Could screens replace paper someday?
In an increasingly urban world, trees can make a major difference. One study found that, for every dollar invested in planting, megacities saw a $2.50 return on their investment.
Pulp and paper production is a major industry with a large environmental footprint. Recently, though, paper companies have worked to reduce pollution and promote sustainable forestry and recycling.
Cutting-edge urban foresters argue not only for the intrinsic value of trees but also for the many economic and health benefits.
Top contributors
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Professor and Chair, Department of Paper and Bioprocess Engineering, State University of New York College of Environmental Science and Forestry
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Senior Vice President for Agriculture and Natural Resources and Professor of Wildlife Ecology and Conservation, University of Florida
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Associate Professor of Israel Studies, Binghamton University, State University of New York
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Professor of Forest Restoration, Universidade de São Paulo (USP)
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Professor Emeritus of Global Change Biology and Terrestrial Systems Science, Oregon State University
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Professor of Restoration Ecology, University of California, Santa Cruz
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Professor of Water Resources & Ecological Engineering, State University of New York College of Environmental Science and Forestry
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Senior Scientist in Community Ecology, Smithsonian Institution
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Senior Scientist in Spatial Ecology and Conservation, Smithsonian Institution