More and more emerging diseases threaten trees around the world

Diseases are among the major causes of tree mortality in both forests and urban areas. New diseases are continually being introduced, and pathogens are continually jumping to new hosts, threatening more and more tree species. ...

Purchase Carbon Offsets at the Airport

(PhysOrg.com) -- One of the activities that puts a great deal of carbon dioxide into the environment is air travel. Air travel is one of the ways that individuals contribute to an increase in pollution and to global climate ...

UK to ban ash tree imports to halt disease spread

(AP)—Britain's government will start banning the importation of ash trees on Monday to stop the spread of a disease that has killed many such trees elsewhere in Europe.

Do urban 'heat islands' hint at trees of future?

City streets can be mean, but somewhere near Brooklyn, a tree grows far better than its country cousins, due to chronically elevated city heat levels, says a new study. The study, just published in the journal Tree Physiology, ...

Urban birds prefer native trees, shows long-term study

Small passerine birds, such as blue and great tits, avoid breeding in urban areas where there are many non-native trees. Chicks also weigh less the more non-native trees there are in the vicinity of the nest. This is shown ...

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