Call to Earth: Protectors of the Planet

4:00 AM to 4:30 AM

Sunday 30 June

The Great Spine of Africa

South African explorer Steve Boyes embarks on a mission to map and record scientific baselines across all the major inland river basins of Africa, including the Chambeshi River.

Call to Earth: Protectors of the Planet airs on CNN HD at 4:00 AM, Sunday 30 June.

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