Rent-a-tree firm helps Londoners have a sustainable Christmas

On a crisp, winter's day at a London scout center, seasoned customers picked their way along muddy rows of Christmas trees in pots labeled with their names while newcomers mulled over which one to rent. "It's a big decision", ...

World's longest lichen declines in a national park

A unique long-term study performed by researchers at Umeå University shows that the pendent lichen Usnea longissima has decreased by 42% over 37 years in Skuleskogen National Park, located in High Coast UNESCO World Heritage ...

Sustainable Christmas trees: an ecologist's buying guide

If you celebrate Christmas, chances are you are planning to decorate a tree (or have already). But how do you make an informed and environment-friendly choice? Environmental impact is a complex question for any product, and ...

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