We all know that whales are endangered due to hunting and pollution, but do you know how important they are for the ocean and the environment? This video shows how essential a healthy population of whales is to the ocean ecosystem. Creative Commons Attribution license (reuse allowed). Video was not modified. Please visit sustainablehuman.org for credits and more information.

When wolves were reintroduced to Yellowstone National Park in the United States after being absent nearly 70 years, the most remarkable "trophic cascade" occurred. What is a trophic cascade and how exactly do wolves change rivers? George Monbiot explains the process.

The story told in this animation reminds us that we can never predict the exact outcome of things that happen in our lives. Please visit sustainablehuman.org for credits and more information.

A feel-good track if there ever was one! Watch this music video from the Norwegian hit-making duo MADCON featuring American singer Ray Dalton.

Jessica is planning a trip to the Grand Canyon and is trying to find reasonably priced accommodation.

On a sunny fall day, Jessica, who lives in Brooklyn, introduces her neighborhood and gives us a tour of the best sights.

Jessica is planning a week-long vacation and wants to rent a cabin. Let’s see if the travel agent has an offer that meets her needs.

Jessica takes apart the inside and outside of some books for us… but not literally.

Jessica introduces the topic of “getting dressed.” In this practical clip, she shows us different articles of clothing. From under to over garments, from head to toe, she takes us step by step through her daily morning routine.

Jessica Weinstein uses her creative flair to set up for a holiday party.

Are you having guests for dinner? In this clip, Jessica shows us all the things we need, to prepare the table before the meal. She then shows us how to set the table.

Jessica takes us on a walk through Prospect Park. She stops several times to point out and describe various objects along the way.

Jessica tells us in her own humorous way the names of various parts of the human body using her own body as an example. It’s a clip that both informs and amuses. Enjoy!

In this first of two segments entitled 'Painting', Jessica teaches us the colors. Enjoy!

In this second segment, Jessica continues her talk about colors, all the while giving us a first-hand demonstration. Watch and enjoy!