Hong Kong bans ivory trade in ‘historic’ vote
The move by Hong Kong's lawmakers is hailed by campaigners as "a lifeline for elephants".
Author Archives: BBC News - Science & Environment
Killer whale says ‘hello’
A killer whale is taught to mimic words such as "hello" and "bye bye" in a scientific experiment.
Super blue blood moon: Get ready for a rare celestial show
A lunar eclipse, supermoon and blue moon are about to happen at once. Here's what you need to know.