>Is there an economic indicator that is (expected/believed to be) sensitive to climate change?

I doubt any serious such indices in Wall Street, however possibly the SOA (Society of Actuaries) which I heard some research projects on the relationship.

Personally I like to make a water index.

An interesting example:

>it can take more than 20,000 litres of water to produce 1kg of cotton


Shortage of fresh water for manufacturing might cause havec in Asian economies.