I think in terms of sustainability, one of the things that climate change will do is change the meaning of sustainability and what the expectations are. From an individual farmer's perspective, they're dealing with the conditions they're facing right at the moment. Because they don't know exactly what the impacts are, they're focused on the current conditions, the current state of technology, the current markets, and what they're going to do this year, next year, and five years down the road.
On November 7th, 2017. See this statement in context.