Whitebark pine that feeds grizzlies is threatened, US says

Whitebark pine trees can live more than 1,000 years, but in just two decades more than a quarter of the trees that are a key food source for some grizzly bears have been killed by disease, climate change, wildfires and voracious ...

Nanoparticles can save historic buildings made from porous rock

Many historical buildings were built of sandstone, including Vienna's St. Stephen's Cathedral. Sandstone is easy to work with, but does not withstand weathering. It consists of sand grains that are relatively weakly bonded ...

Restoring traditional practices tied to endangered species in Guam

Are the traditional practices tied to endangered species at risk of being lost? The answer is yes, according to the authors of an ethnographic study published in the University of Guam peer-reviewed journal Pacific Asia Inquiry. ...

US officials seek limits on "habitat" for imperiled species

The Trump administration is moving to restrict what land and water areas can be declared as "habitat" for imperiled plants and animals—potentially excluding locations that species could use in the future as climate change ...

page 1 from 3