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Clean technology, while a huge opportunity, will not go to scale in time to prevent a global economic and social crisis.

Considering all the comments on my talk, The Earth is Full, I would sum up by saying that everyone pretty much agrees we face some serious ecological and resource limits. The debate is will these naturally be dealt with in the normal course of technological and market processes, or will they result in a serious global economic crisis. My view is strongly that a crisis is inevitable and that it will be an economic crisis - but that will then trigger a war level of mobilisation that will drive massive technological change. So relying on technology to prevent the crisis is wrong.

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    Mar 27 2012: "im not sure if hemp will save the planet but i do know one thing, its the onyl thing that can, you can make paper, biodegradable plastic, clothing, shelter, medicine, its cleans the air as it grows, itscleans the soil as it growns plus in some rare cases smoking the plant helps people toappreciate nature.

    The solution is for everyone to grow it,Under government control this plant would nto reach its full potential.

    The desired long term effect of growing the cannabis plant would be the intention that our children may grow more plants than children in previous generations. The key is to not forbid it to our kids, the key is not to mass market it to our kids, prohibition only succeeds in one thing; it makes people want it more than they actually need it. The key is to educate them about the plant about how to grow it many years before they realize they can smoke it. Who knows , just being taught to have to grow and care for something as especially unique as the cannabis flower from an early age may teach the next generation the discipline to use it in moderation because it won’t be such a taboo, it should be around just as common as any other flower. Legalising it will teach the kids the big thing is to smoke it, just growing the plants will show the big thing is everything it can be used for.

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