Here's the trailer for an inspiring film about the efforts of ordinary people to make the world a more sustainable place. Experts talk about the necessity of taking action.

In this beginner-level video, Luana teaches us about plants. She talks about the functions of the various parts of a plant, and offers tips on watering plants that grow indoors and outdoors.

Michele is cooking crispy and spicy roast potatoes. From peeling to parboiling, to seasoning and roasting, she shows us how to prepare this simple and delicious dish. This is a great video to help you expand not only your cooking skills, but also your comprehension skills, since Michele has an Australian accent.

This special recipe brings back memories of the past for Michele, who can recall her own grandmother baking banana bread. Using three overripe bananas, and a few basic ingredients, the preparation gets underway...

Michele mixes all the ingredients together, and puts the batter into a tin and into the oven to bake. Has she gotten the recipe right? Will the banana bread be as good as her grandmother's was?

Nigella's poached peaches are perfect for summer, and also great if you don't have access to very ripe peaches due to the season or your location.

Nigella finishes her recipe for poached peaches full of pink syrup and fabulous summer flavor!

Nigella shows us how to make her delicious homemade strawberry ice cream! No matter what season you make it in, this dessert will bring the feeling of sunny weather into your home.

Nigella shows us how to make her indulgent and naughty southern style fried chicken. Her opinion is that deep fried foods are not always as unhealthy as they seem, and that you should just enjoy yourself.

American singer songwriter, rapper, producer and comedian Oliver Tree goes through his fridge and introduces us to some of the unhealthiest, most sugary food available, all forming part of his surprising new weight loss diet.

After showing us the pizza and ice cream in his freezer, Oliver Tree talks about his Gatorade obsession, and the correct uses for the various colors available. He is most proud of his “Candy Corner” and secret personal stashes in the kitchen. We begin to wonder whether this new diet is doing him much good at all!

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.

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.

Paul is having trouble waking up this morning, but he manages to make coffee and tell us a bit about his morning routine.

Sometimes even a pro cook arrives home tired and hungry, or is feeling lazy, and they just want to cook up something quick, simple, and delicious. Chef Mike G shows us how to do this without resorting to canned ingredients. In the first of a four-part series, learn to make a mouthwatering fifteen-minute pasta dish with a fresh tomato sauce.