If any of the variables change, Fair Value changes overnight.

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It can also be quickly adjusted as variables change.

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Putting humans in a vehicle with millions of parts, atop thousands of pounds of explosives, and then operating it at high speeds while monitoring thousands of variables that rapidly change is hard stuff.

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The tricky part about this topic is that you will need to revisit it periodically because there are so many variables and people will change their mind as the business grows and changes.

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The real challenge is figuring out whether a particular storm or flood was due to climate change or natural variables, said Chris Field, founding director of the Carnegie Institution's Department of Global Ecology.

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In the process of moving toward implementing your idea, variables around you will begin to change, and as they do, new facts will always be coming to light, which will help you to pivot your ideas in the right direction.

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Most anthropogenerated climate change is mediated through changes in the two basic variables of temperature and precipitation.

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This is why one of the most vital projects of this new century, defined by climate change and growing energy and resource scarcity, is to figure out a way to build these variables back into our economic system.

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