World Wildlife Fund: Making sustainability a priority, the Marshik Dairy — a fifth-generation family farm — implemented a new, technologically advanced and energy efficient barn design for their 155 cows. The new design included robotic milking facilities, energy efficient lighting and ventilation, and renewable wind and solar power.

Travel over the ocean and through the woods with Robby Naish, Kevin Langeree and Jesse Richman as they make their way down the West Coast in search of one-of-a-kind kiteboarding spots!

Robby, Kevin and Jesse have found a few great spots to kite along the west coast. Watch for some amazing scenery and kite-boarding skills.

We get a behind-the-scenes look at the kiteboarder's trip down the coast of California, where they are recharging their batteries and taking advantage of new surroundings.

Join Karine as she goes behind the scenes at the University of Oxford, one of the world’s oldest and most prestigious educational institutions and alma mater to kings and presidents.

In this video, you can learn all about Oxford, England, a beautiful university town steeped in history. There are many places of interest spread among the many colleges that comprise the university.

President of the Polynesian Voyaging Society and Master Navigator Nainoa Thompson spoke about what the voyage of the seven vaka means to him and what the consequences are for the entire Pacific. The voyage motto of the Pacific Voyagers is: “Move your paddle slowly through the water.”

Pamela Anderson accepting the Linda McCartney Memorial Award on PetaTv, for her work for animal rights. Help to protect our nature and environment by clicking this link before you subscribe to Yabla.

Here's a quick summary of the different kinds of words we have in the English language and what they are used for.

Nouns are usually the first words we learn. The good news is that with nouns, we don't have to worry about gender in English. We do, however, have to be aware of gerunds that act like nouns but look like verbs, and countable or uncountable nouns.

Sigrid reviews the subject pronouns "I," "you," "he," "she," "it," "we," "you," and "they."

Sigrid reviews the object pronouns: "me," "you," "him," "her," "it," "us," "you," and "them."

Sigrid talks about the difference between possessive nouns and other possessive words such as possessive determiners or articles like "my" and "your."

Sigrid takes us through the different persons using dependent possessive pronouns, also called possessive adjectives or possessive determiners. These little words are important when talking about names, your possessions, family and friends, characteristics, jobs, favorite things and just about everything else.

True possessive pronouns can stand alone. They replace both the noun and its possessive adjective or determiner. These pronouns are very handy in introductions and conversations about favorites.