Hulu is a fantastic place for legally watching TV shows and movies from major TV stations and studios. The site launched in 2008 and features shows from NBC, Fox, ABC, Comedy Central, Current TV, PBS and many more. Hulu has more than 600 movies and more than 1,000 different shows, and if you know where to look, there's plenty of green content to be found. If you want to watch clips and shows about vegetarianism, global warming, green business, renewable energy, or just want to laugh at how crazy environmentalism can be sometime, click through and enjoy.

1) Environment specializes in showing world-class speakers, debates and presentations and Environment is their greener channel. Their Hulu channel has nine clips total, four of them full episodes with people like San Francisco Mayor Gavin Newsom talking about tidal power, Jean-Michel Cousteau warning about the dangers of fish farming, and Amory Lovins giving a presentation about renewable energy.

Mike Rowe on Discovery, Realization and Lamb Castration: Mike Rowe is the host of Discovery Channel's Dirty Jobs and one of the best public speakers around. He tells the story about " target="_blank">his visit to a sheep farm and the lessons he took away after learning how to castrate a sheep with a sharp knife and his teeth.

2) National Geographic Environmental Shorts

National Geographic has five short clips on landslides, tsunamis, floods, droughts and global warming. Each of the clips are written and produced in a quick and easy-to-digest format and use graphics and archive footage well.

Global Warming 101: This short three-minute video gives the short and skinny on global warming — that we've been pumping ever-increasing amounts of greenhouse gasses into the atmosphere and that gasses appear, by the data, to be causing the atmosphere to warm up. Arctic ice is disappearing, droughts could be more severe, sea levels could rise, and weather patterns could be disrupted if we don't cut our greenhouse gas emissions.

3) EcoBiz

EcoBiz is all about green business — the people who run them and the products and services they make and provide. Hosted by Simran Sethi, a well-known environmentalist, journalist, activist and green living pro who has spent screen time with Oprah, Ellen Degeneres and Martha Stewart, the series covers an impressive range of green business pioneers in its 31 clips.

Vivavi Furniture: MNN's own Josh Dorfman, aka the Lazy Environmentalist, is highlighted in this episode about his eco-friendly furniture store Vivavi, located in Brooklyn, N.Y.

4) Building Green

Building Green is a half-hour series about green building hosted by show creator Kevin Contreras who walks through the the construction of the green home he built for his family. Over the arc of the first season's 13 episodes, he covers straw bale construction, doors and windows, lighting, water, floors, interior and exterior finish work and more, working with local green architects and builders to construct his green dream home.

Breaking Ground: This is the kick-off episode and sets the foundation for the rest of the season. Kevin Contreras pulled out all stops to design and build as green a home as possible.

5) National Geographic's "Preserve Our Planet"

National Geographic's "Preserve Our Planet" is eight clips averaging a few minutes each covering ice in the Arctic, sand dunes, Dumpster diving and the doomsday seed vault. The clips use high-quality video and are well-edited, paced, and narrated.

No Ice in the North Pole: For the first time in recorded history, the North Pole is navigable by sea. Temperatures in the Arctic are rising faster than more temperate zones and could someday trigger the release of vast amounts of greenhouse gas currently locked up in frozen tundra.

NEXT: Green videos, Nos. 6-11 >