Difficulty: Intermediate
USA
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.
Difficulty: Intermediate
USA
Here's a video from the World Wildlife Fund. Traditionally, anaerobic digester systems have not been practical on small dairy farms, but this didn’t stop Sensenig Dairy, a 100-cow farm, from pursuing its goal. Then Sensenig teamed up with the local community to collect enough waste to produce 1,401,600 kilowatt hours of electricity per year from "trash" that would otherwise end up in a landfill.
Difficulty: Beginner
USA
The narrator explains how the breathtaking rock formations of Antelope Canyon came to be, and why mountains around the world can provide a metaphor for human existence.
Difficulty: Intermediate
USA
We visit Bryce Canyon, where valuable fossils have helped understand the geological history of the planet. The sandstone spires of the canyon are breathtaking.
Difficulty: Adv-Intermediate
USA
In this segment, we learn about the role weather plays in the creation of rock formations in the national parks of the United States.
Difficulty: Intermediate
USA
Geysers represent a very popular tourist attraction in Yellowstone Park. How do they work and where do they come from? And what is sandstone? The video answers these questions.
Difficulty: Beginner
Germany, USA
Why are some rock formations and animals found on more than one continent? The explanation dates back to the Ice Age.
Difficulty: Beginner
USA
Why do some of the national parks in the United States resemble the European Alps? Geologist Dr. Robert Darga answers this question.
Difficulty: Intermediate
United Kingdom
Hindi-English, Chinese-English, and Singaporean-English are discussed and we're introduced to some fun words, such as “badmash” (noun, a bad person in Hinglish) or “chope” (verb, to set aside a place in a fast food restaurant by setting down an object like a hankie or magazine in Singlish).
Difficulty: Beginner
USA
This video is a Webby Award winner. Amnesty International supporters have used the power of words to demand freedom and justice for countless human rights defenders around the world. Our words are proof that when you stand up for human rights, you never stand alone.
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