1) One is geothermal, the second is solar photovoltaic power systems, the last is rainwater collections.
2) Geothermal is when underground pipes it heats or cools your house. photovoltaic power is basically solar energy. rainwater collections is water collected from gutters ect. so they can re use it.
3) I chose a green economy for earth day
4) The problem for green economy is that most people don't want it.
5) To help make people go for it is tell people how you can benefit from it. Also i can give out pamphlets show how much you can save or benefit from it. And if i really wanted to get into it i can join a group and walk around with signs saying switch to a green economy.
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