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Latest Tree Stories

2009-10-02 14:05:00

SANTA CLARA, Calif., Oct. 2 /PRNewswire/ -- Chegg.com, the number one online textbook rental company, has helped the environment by planting a tree for every book rented, sold or bought. Today, the company announced that it has planted over one million trees in 2009 through a partnership with the American Forests' Global ReLeaf® program. The tree-planting program demonstrates that Chegg not only gives back to students in the form of serious savings on their textbooks,...

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2009-09-23 13:44:44

If past is prelude, trees and shrubs may have a harder time keeping pace with global warming Can we predict which species will be most vulnerable to climate change by studying how they responded in the past? A new study of flowering plants provides a clue. An analysis of more than 5000 plant species reveals that woody plants "” such as trees and shrubs "” adapted to past climate change much more slowly than herbaceous plants did. If the past is any indicator of the future, woody...

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2009-09-18 08:47:20

Researchers at North Carolina State University are working to demonstrate that trees can be used to degrade or capture fuels that leak into soil and ground water. Through a process called phytoremediation "“ literally a "green" technology "“ plants and trees remove pollutants from the environment or render them harmless. Through a partnership with state and federal government agencies, the military and industry, Dr. Elizabeth Nichols, environmental technology professor in NC...

2009-09-15 11:20:00

One-hour NGC Episode Premieres Tuesday, September 29, 2009, at 10 p.m. ET/PT --October Magazine Includes Pull-Out Poster of Full-Length Digital Portrait of Redwood Tree, Composed of 84 Images Stitched Together WASHINGTON, Sept. 15 /PRNewswire-USNewswire/ -- This fall, National Geographic journeys deep into the great redwood forests on the American West Coast. For the first time, we'll size up the health and future of the entire redwood range and scale the trees to glimpse rich canopy...

2009-09-08 13:19:00

HARRISBURG, Pa., Sept. 8 /PRNewswire-USNewswire/ -- Consumers can help offset the pollution that leads to a warmer climate by learning how to plant and care for a tree this fall, said Department of Conservation and Natural Resources Acting Secretary John Quigley. The classes are a part of TreeVitalize, a partnership to restore tree cover in the 14 metropolitan areas in Pennsylvania. "In addition to making our homes and communities look attractive, trees clean the air and store carbon...

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2009-08-25 14:50:00

Scientists said today at the 2nd World Congress of Agroforestry that a type of acacia tree with an unusual growth habit-unlike virtually all other trees-holds particular promise for farmers in Africa as a free source of nitrogen for their soils that could last generations.For further information, please contact: Megan Dold: +1 301 280 5720 or mdold@burnesscommunications.comWith its nitrogen-fixing qualities, the tall, long-lived acacia tree, Faidherbia albida (Mgunga in Swahili) could limit...

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2009-08-21 09:55:00

New algorithm explores future changes in plant populationsThe ability to envisage the future may be closer than you would think. A recent paper by Sean Hammond and Karl Niklas in the August 2009 issue of the American Journal of Botany (available here) presents an algorithm that may be used to predict the future dynamics of plant communities, an increasingly interesting area of study as significant environmental changes, such as global climate change and invasive species, are affecting current...

2009-08-14 17:52:00

CHAMPAIGN, Ill., Aug. 14 /PRNewswire/ -- At the 85th International Society of Arboriculture (ISA) Conference & Trade Show held in Providence, Rhode Island, ISA President Lauren Lanphear introduced Sandy Clark (Mount Prospect, Illinois), Gerard Fournier (Didsbury, Alberta, Canada), Edward Hopkins (Rochester, New Hampshire), Dave Leonard (Lexington, Kentucky), Harold Spiegel (Dallas, Texas), Dennis Swartzell (Las Vegas, Nevada) and Philip van Wassanear (Mississauga, Ontario, Canada) as...

2009-08-06 11:19:23

With summer in full swing, many plants are at their peak bloom and climbing plants, like clematis, morning glories, and sweet peas, are especially remarkable. Not only are these plants beautiful, but their ability to climb walls and trellises is an impressive feat of biological engineering that has taken millions of years to accomplish.A recent article by Dr. Sandrine Isnard and Dr. Wendy Silk in the July issue of the American Journal of Botany explores the logistics of this incredible...

2009-07-30 11:14:01

 Scientists are comparing annual growth rings of the Pacific Northwest's largest bivalve and its most iconic tree for clues to how living organisms may have responded to changes in climate.Analyzed by themselves, the rings from a single tree or mollusk may sometimes reflect conditions that are either favorable or unfavorable for growth. When scientists look at numerous individuals of the same species, however, the consistency of the ring patterns allows them to build a model and compare...


Word of the Day
call-note
  • The call or cry of a bird or other animal to its mate or its young.
'Call-note' is newer than 'bird-call,' which originally referred to 'an instrument for imitating the note of birds' but now also refers to 'the song or cry of a bird.'
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