I believe that sustainability is about saving and preserving the environment by living a clean life. By this I mean that we have to think about how we can minimize waste in our lives. When you drive a car, CO2 is waste and it is very damaging to the environment. Every day we waste a lot of water and energy.
I think it is important that all humans help sustain a healthy earth. We have to protect the earth as we know it, because it is changing! Global warming is a proof of that. Sustainability is about living a life that would not affect the environment in any bad way but still live a comfortable life. For instance windmills and solar cells make energy that we can use, without damaging the environment. Windmills and solar cells are sustainable sources for energy because they fulfill the requirements for being sustainable:
- It provides something for the community; we can use the energy in our homes.
- It is economically acceptable; we wouldn’t get any loss by building a windmill. It will pay for itself over time.
- It doesn’t pollute or in any other way damage the environment
If we use and use all the resources in the world without taking any notice to the environment and the signals it is sending us, such as global warming, we will in the end make the earth unlivable.
If we don’t do anything we might end up as the movie Wall-e. I know this is an extreme example and a simple cartoon, but I think it illustrates what could happen if we don’t try to be more sustainable. :D
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