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.
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.
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.
The net change in the GDP estimate from the first to the second estimate of the third quarter reflects changes in several variables in addition to inventories.