In southern Portugal, a group of passionate divers has deliberately sunk four large marine vessels, not only to enhance the diving experience but also to foster new habitats for marine life. Join diver and filmmaker Johan Candert as he embarks on a captivating journey through this extraordinary underwater ‘national park,’ protected by authorities but not without daily conflicts.
Climate change is a major threat to coral reefs. But some coral species appear to be in a better position to withstand and survive in a warmer ocean – if global warming is limited to 2 degrees, according to a study published in the journal Scientific Reports
On December 14th, 1991, the passenger ship Salem Express sank when a storm hit the Red Sea. The shipwreck was a human tragedy. Among the passengers were hundreds of pilgrims who were on their way home from Mecca.
Hear Johan Rönnby talk about marine archaeology, and about the Baltic Sea's unique ability to preserve old wrecks
