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mtd28student
 New Zealand
Clean Air Printer Friendly Version
This idea sort of falls under environment, but I bet more people would look at it here, so here she goes.
Busses travel in most cities for at least 15 hours of the day. During that time the bus may cover up to 300km. A filter placed on the roof of the bus would see a fair amount of air in one of those days. For example, if the dimensions of the filter were 2.5 x .5 meters then in the course of the day one bus could filter approximately 250,000 cubic meters of air. Filters could be washed and pellets made of the dirt collected. These pellets could be disposed of properly. This would make the cities a cleaner place. The governments could subsidies the bus companies and every one would be happy.
Reward: Recognition 

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Allen D Leftwich
 USA
New Tax Rules Printer Friendly Version
Some years ago, my college roomate asked me an interesting question about our current system of taxation. He was wondering if the democracy that we have would improve if the taxed citizens were allowed to choose where the money went. They would pick the important programs by giving a certain percentage of their tax money to different government agencies. A new tax form would have to be devised that would allow the paying public to allot a percent of their money to different departments of the government. There would be between twenty and thirty different categories. Examples would include National Defense, Department of the Treasury, Department of Agriculture, Department of the Interior, Research and Developement, NASA, welfare, foreign aid, National disaster relief and prevention, National Debt reduction and several other general categories where the Federal government spends your money. This would be like casting your vote in the most important way, with your dollars. I am quite sure that with the great diversity of National concerns nothing important would be left underfunded.
Included in the twenty or more categories would be a miscellaneous block. This is for the people that don't give a care where the money goes, or forget to make the percentages in the blocks add up to one hundred percent. This would also insure that if something important is underfunded, it can receive adequate resources. The legislators would then decide where that money would be spent. It is important that we not shoot ourselves in the foot by not putting an adequate percentage number in the categories that directly concern ourselves.
Reward: Just get it done. 

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kiwibacon
 New Zealand
Anyone hate land mines? Printer Friendly Version
Like anyone I hate the idea of land mines that are left behind after a conflict to claim lives and limbs. However, they will continue to be manufactured to fill the military's demand.
My idea is that an internal device should be designed to be easily incorporated (at little cost), to allow a mine to be set to be active for a limited time period (say two years) after which it would be inctive and largely harmless. There are a number of ways that this could be achieved:
Incorporate a switch that will degrade at a certain predictable rate when exposed to the elements. After a certain period the circuit will break and will no longer carry the charge to the detonator charge.
Another way is to have a biodegradeable explosive charge that will degrade over a fixed period. This is not as strange as it sounds as BAE systems is focussing on environmentally friendly weapons. As far as I know this application has not been proposed to date. Achievement of this latter idea will be very lucrative while benefitting thousands of collateral victims of continuing or extinguished conflicts. This idea needs a champion to make it happen.
Reward: Letting me know that my idea was put into practice. 

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