Geologist Prof Iain Stewart shows how the continent of Africa was formed from the wreckage of a long lost supercontinent. He discovers clues in its spectacular landmarks, mineral wealth and iconic wildlife, that help piece together the story of Africa's formation. But he also shows how this deep history has left its mark on the modern day Africa and the world.
Modern life would be impossible without plastic – but we have long since lost control over our invention. Why has plastic turned into a problem and what do we know about its dangers? This video is a collaboration with UN Environment and their Clean Seas campaign, If you want to take action to turn the tide on plastics, go to http://www.cleanseas.org and make your pledge.
Discover how New York City – overwhelmed in 2012 by Superstorm Sandy – has learned from that disaster, and must defend itself against rising seas and the next big storm. With 520 miles of shoreline and no coastal protection, engineers and urban planners are tackling the problem with urgency and creative engineering.
From the Norwegian fjords to the coast of Jura in the English Channel and up to the peak of the Matterhorn; go from the volcanoes of the Massif Central in southern France to the Elbe Sandstone Mountains, or the “Grand Canyon of Europe”.
See how Tokyo is looking for new ways to fight back against rising waters. Typhoons, tsunamis, earthquakes and sinking neighborhoods threaten one of the world’s most populous cities, and the economic engine of Japan, with some of the world’s largest problems.