How to green the world's deserts and reverse climate change
Adults Nature"Desertification is a fancy word for land that is turning to desert," begins Allan Savory in this quietly powerful talk. And terrifyingly, it's happening to about two-thirds of the world's grasslands, accelerating climate change and causing traditional grazing societies to descend into social chaos. Savory has devoted his life to stopping it.
How Does A Canyon Become Grand?
Adults NatureI was in Arizona recently for Phoenix Comic-Con, and had the amazing pleasure of seeing one of Earth's greatest natural wonders... the Grand Canyon. More than a mile deep, and several miles across, it just defies belief. But I couldn't help but think, the Colorado River down at the bottom isn't that big. How did it cut a canyon so massive? How old is the Grand Canyon?
This Crazy Tree Grows 40 Kinds of Fruit
Adults NatureSam Van Aken, an artist and professor at Syracuse University, uses "chip grafting" to create trees that each bear 40 different varieties of stone fruits, or fruits with pits. The grafting process involves slicing a bit of a branch with a bud from a tree of one of the varieties and inserting it into a slit in a branch on the "working tree," then wrapping the wound with tape until it heals and the bud starts to grow into a new branch.
Pacific Sleeper Shark
Adults NatureOcean engineer and National Geographic Explorer Brennan Phillips and his team surveyed underwater volcano Kavachi, located near the Solomon Islands. They encountered a surprising amount of sea life, including the rarely filmed Pacific sleeper shark. Phillips believes the high-definition images of this elusive shark represent only the third-and maybe the best-video of the shark ever made.
Guy Gets Extremely Close To Lava From An Erupting Volcano
Adults NatureThe Most Incredible Volcano Video ever shot ! Geoff Mackley, Bradley Ambrose, Nathan Berg, after an epic struggle with the weather for 35 days, we became the first people ever to get this close to Marum Volcano's famed lava lake on Ambrym Island, Vanuatu. Coming within 30 metres of the lava lake down a watercourse, it was possible to stand the heat for only 6 seconds. With Fire Brigade breathing apparatus and heat proof proximity suit it was possible to stand on the very edge and view the incredible show for over 40 minutes.
GoPro: Wingsuit Flight Through 2 Meter Cave
Adults NatureUli Emanuele pilots what is possibly the most technical and difficult BASE jump ever. For the past 3 years Uli has been dreaming about and preparing for what could be a world record jump. With just his wingsuit and hiking poles, he climbs to his exit point and realizes there is no turning back.
The secret life of plankton
Adults NatureNew videography techniques have opened up the oceans' microscopic ecosystem, revealing it to be both mesmerizingly beautiful and astoundingly complex. Marine biologist Tierney Thys teamed with Christian Sardet (CNRS/Tara Oceans), Noe Sardet and Sharif Mirshak to use footage from the Plankton Chronicles project to create a film designed to ignite wonder and curiosity about this hidden world that underpins our own food chain.
Volcano Eruption
Adults NatureAdditional information: Calbuco volcano has 2003 meters height (6572ft). The impressive ashes column you see in the video had a calculated height of 15km (9.3mil), from which you clearly see about 10km (6.2mil) before to get lost inside the atmosphere static zone where the ashes created a huge and dense cloud that now is traveling around the world.