Forest canopies buffer against climate change

When temperatures rise and less water falls, forests respond. Forest canopies can buffer juvenile trees from drought and heat by providing shade for the younger trees below the leaf and needle cover. Adult trees have deep ...

Tree ant family tree reveals ant swimming evolution

Life in the forest canopy is precarious: lose your footing and you could rule yourself out of the evolutionary arms race. Yet this hazard has not deterred many tropical ants from making their homes amongst the branches. In ...

Tree-killing insect emerald ash borer found in Georgia

For years, foresters and invasive insect experts—including those at the University of Georgia—have been on the lookout for the arrival of an unwelcome guest in Georgia. Now that the emerald ash borer is here, they are ...

Britain scrambles to contain deadly ash tree disease

The British government convened its emergency crisis committee on Friday to discuss how to contain a fungal disease threatening ash trees that has already wiped out swathes of woodland in Denmark.

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