People paddle in the sea at Copacabana Beach, in Rio de Janeiro, Brazil. Nuns pray in front of the statue of late Pope John Paul II outside Gemelli Hospital, where Pope Francis continues his treatment ...

The National Trust is creating a “living library” gene bank of trees in east Devon to help protect the black poplar. The ...

[Dylan Martinez/Reuters] Poplar trees next to Sefton Park Allotments in Liverpool cast long shadows in the evening sun. [Adam Vaughan/EPA-EFE] Academy Awards host Conan O'Brien pushes the rolled ...