These rivers in the sky play an important role in the global water cycle - but what exactly are they?
Medellin, a city in Columbia, used ‘Green Corridors’ to beat the urban heat island effect.
A vote took place in Paris, and the decision to increase SUV parking fees was made.
The satellite is named MethaneSAT.
The bird was seen in Gujarat, India.
The name of their animal conservation programme is Vantara.