Sustainability

1. sustainability is the ability to maintain a certain process or state.
2. sustainability in a community is the amount of resources and energy needed to keep it going. The people in the movie believe that our normal resources are running out and we need to change our ways.
3. the more people that demand a resource, the sooner it is going to run out. Once a resource runs out there can be no sustainability and a new resource must be found.
4. use different more abundant kinds of fuel, grow their own food, work together in a community, and use natural energy.