The Most Efficient Way of Farming

We are and shall forever be looking for The Most Efficient Way of Farming. So I serched the internet while I had some preconceptions about the outcome. In the face of climate change and unpredictable weather patterns, does the answer lie in some controled growing environment solutions, such as huge greenhouses, or vertical farming?

The question is related to: What is the Most Environmetally Friendy Way of Farming?