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The Human Genome Project is sometimes reported to have a cost of $ 3 billion . The challenge is to implement a cost recovery program that is consistent with NHLBI 's broad public health mission to serve diverse audiences , yet provides an effective way to maintain our information dissemination capacity and respond to the demands of the future . " But eventually , we will come to the point in the program when we will need to make a cost vs. capability trade , " notes Lutz . The " Earthship " clearly demonstrates how to recycle , how to build a cost effective house , how to use passive solar energy , and how to use the indoor environment to grow plants during the winter season .