fossils silent witnesses to the sea that once existed here. was we here seems interested as these are remnants of the tech this ocean so this is a coral colony and it s to do these are branches of coral cement wife solution would you on here we have a cross-section which is why they look round and see you and we think they were part of a small reefs a few meters in diameter and. all the rock in this section of the else was formed by organisms the limestone was produced by both corals and miniscule algae over the course of millions of years it built up on the seabed to form a three kilometer thick layer. when the african tectonic plate began to drift towards europe one hundred million years ago the seabed broke apart and was subjected beneath africa. as the two continents collided the layers of rock were pushed upwards probably to heights of up to six thousand meters. erosion by
it s a journey that martin knows and alexander not slow embark on regularly there essentially professional time travelers here in the limestone alps they search for prehistoric fossils silent witnesses to the sea that once existed here. most of you seem to minister to these are remnants of the tech this ocean so this is a coral colony and has to do these are branches of coral cement why would you on here we have a cross section which is why they look round and see you and we think they were part of a small reefs a few meters in diameter and. all the rock in this section of the else was formed by organisms the limestone was produced by both corals and miniscule algae over the course of millions of years it built up on the seabed to form a three kilometer thick layer. when the african tectonic plate began
grown in their own undersea garden and replant them on bleached out damaged reefs. over time, a whole new coral colony of the threatened species will blossom, supporting the marine ecosystem and the multibillion-dollar fish related economy. coral reefs are the rain forest of the ocean. if we lose the coral reefs, we will lose the oceans and the very oxygen that we breathe. for decades, we have been using our coral reefs, which marine scientist can contribute to over fishing, ocean acidification, and rising sea temperatures. even though it is only about 20 to 25 feet below my friends, it also plays a critical role for protection because a healthy reef helps break up those angry hurricane waves before they hit the mainland. the only way coral reefs will survive is if we use science to restore them and bring them back. on this dive government of the marine scientists and their citizen scientist warriors of
something. he and a dozen other wounded warriors are working with a marine laboratory on a novel effort to take pieces of coral grown in their own undersea garden and replant them on the damaged reefs. over time, a whole new coral colony of the threatened species will blossom. supporting the marine ecosystem and the multibillion-dollar fish related economy. coral reefs are the rain forest of the ocean, if we lose the reefs we lose the ocean and the oxygen so we we breathe. the marine scientists, divers and their citizen scientist warriors admit in the big picture, there are millions still to go. heather: what a great idea, great effort. thank you so much, have a great day. jon: president trump set to meet with victims of illegal
right the way you look at life. marked changes. a year later, he is trying to save the life of florida s dying barrier reefs. scuba diving with his prosthetic leg and keeping his state of mind above the surface. would give me a purpose. even if it is coming down here friday and doing it, it feels good to come down here and accomplish something. the combat awarded better and challenge are working with marine laboratory on a novel offered to take pieces of coral grown in their own undersea garden and replant them on bleached out damaged reefs. over time, a whole new coral colony of the threatened species will blossom, supporting the marine ecosystem and the multibillion-dollar fish related economy. coral reefs are the rain forest of the ocean. if we lose the coral reefs, we will lose the oceans and the very oxygen that we breathe. for decades, we have been using our coral reefs, which marine scientist can contribute to over fishing, ocean