http://www.npr.org/sections/thesalt/2015/12/01/456369536/as-big-food-feels-threat-of-climate-change-companies-speak-up
" ..... Most farmers can't really see the the big global patterns of climate change, and certainly can't change what's happening.
But big multinational companies can see it, because they buy shiploads of farm products from all over the world.
Take, for example, Mars, Inc., maker of Mars bars, M&M's, Snickers, Skittles and more.