In this segment, we learn about the role weather plays in the creation of rock formations in the national parks of the United States.

A film about the global sustainability work of The Prince's Charities, founded by HRH The Prince of Wales.

Prime Minister David Cameron will step down by October after the UK voted to leave the European Union. Mr. Cameron made the announcement in a statement outside Downing Street, in which he said he will attempt to "steady the ship" over the coming weeks and months, but that "fresh leadership" is needed.

After the rains, there is enough water and food for all to share in the desert and Saguaro National Park can bask in all its glory.

All Hands Volunteers is a US-based, non-profit organization that provides hands-on assistance to survivors of natural disasters around the world with maximum impact and minimum bureaucracy. Their mission is to enable volunteers to provide assistance to communities affected by natural disasters.