The Rocky Mountain Institute is a group of very smart people who are working together to find ways to make our planet healthier by using energy that is clean and renewable instead of dirty and harmful. They want to help the Earth be a better place for you and me to live in, and they are doing it by thinking really hard about how to use energy in smarter and more responsible ways.
Think of it this way, just like you try to take care of your toys or your room, the Rocky Mountain Institute is trying to take care of the Earth. They are like superheroes that want to save the planet. Instead of using dirty energy like oil or coal, they want to use energy from things like the sun or the wind. This way, we can have energy without harming the planet.
The Rocky Mountain Institute is made up of scientists, engineers, and other people who know a lot about energy and how it works. They do research and experiments to figure out how we can use energy in a better way. They also work with businesses and governments to help them use clean energy and make the world a better place.
In short, the Rocky Mountain Institute is a group of people who want to make sure that we have a healthy planet to live on, and they are doing it by using clean and renewable energy instead of dirty energy.