Tahlequah: Killer whale who carried dead calf for days is pregnant
Tahlequah captured the world's attention when spotted carrying her dead calf for 17 days.
Author Archives: BBC News - Science & Environment
Lake Titicaca giant frog: Scientists join forces to save species
International scientific institutions are teaming up to save the world's largest aquatic amphibian.
France to ban heated terraces in cafes and bars
The new ecology minister says outside heating or air conditioning is an "ecological aberration".