The steps to creating an eco/green video / movie are:
1. Decide what you want the movie to be about.
2. Write a simple script.
3. Decide how many people you want involved and get them signed up.
4. Get ahold of a video camera.
5. Record the video.
6. Select the editing software.
5. Edit the video. Add an introduction, music, etc. Cut out the bad parts.
6. Post or share your video.