Young black bears need to be careful when encountering the North American porcupine. Enjoy more footage from Alaska and Princess Royal Island in British Columbia, where young raccoons are also out and about.

Catch glimpses of sockeye salmon, also called red salmon, as they make their way upstream in a migration known as the "red flood." Also included is footage of dippers, which are some of the only songbirds that search for food on the bottom of a body of water.

Here’s a quick visit to a butcher store in Brooklyn where you’ll see how they make good mozzarella and get tips on choosing the perfect steak. Keep in mind that the butcher's speech is very "Brooklyn," very authentic.

In this episode, we see how the bears coexist with other creatures in their environment, and also learn about the role of the bear in Tsimshian lore. Enjoy!

Michael Fishbach narrates his encounter with a humpback whale entangled in a fishing net. Gershon Cohen and he have founded The Great Whale Conservancy to protect whales. Join them in helping to save these magnificent creatures.

A film about the global sustainability work of The Prince's Charities, founded by HRH The Prince of Wales.

From treasure-hunting to looking for evidence of the Lost Civilization of Atlantis, Captain Bob Mayne tells us about his fascinating adventures aboard his vessel Aqua Quest. A Yabla-exclusive interview!

A basic overview of the rules of rugby.

Eco the Butterfly stars in this 60-second spot now airing on some PBS television stations. It made its debut on PBS affiliate WXXI in Rochester, NY.

Laird Hamilton is an American big-wave surfer and co-inventor of tow-in surfing. Caught on film, Hamilton's drop into Tahiti's Teahupoʻo break on the morning of August 17, 2000 firmly established him in the annals of surfing. Teahupoʻo is a particularly hazardous shallow-water reef break southeast of the Pacific island of Tahiti. Check out this footage and marvel!

Arctic sea ice is a key component of our global climate system. Scientists have observed that our polar ice is melting at an alarming rate. Dire consequences may ensue for man, beast and our planet as a whole, if we don’t move to alternative non-fossil sources of energy. View this informative video from Greenpeace.

What actually are planets, asteroids and dwarf planets? Here, Dr. Robert Hurt from the Spitzer Science Center in California, touches upon this intriguing question. In addition, he addresses the status of Pluto and how it recently came to pass that, what was once considered our solar system's most distant planet, has recently been demoted and... why? Enjoy!

Naishkites: Kick off your shoes and continue through Kenya alongside Shawn Richman and Anna Campbell as they further explore uncharted territories in wild, untamed Kenya. Whether it’s Enduro riding, SUPing with locals from the Maasai tribe, or setting new world records on Mt. Kenya, they do it all.

Prepare to see Kenya like you’ve never seen it before!

Sam Gruber's team of biologists capture, tag and release a juvenile tiger shark. Then they track it electronically into the mangroves, an ideal location for their research.

Get introduced to life on a sailboat, and learn about some things a yacht just can’t do without.