At the Neural Information Processing Systems (NeurIPS) conference in Vancouver, Canada, Google AI chief Jeff Dean, gave talks at workshops about how machine learning can help confront the threat posed by climate change and how machine learning is reshaping systems and semiconductors. VentureBeat spoke with Dean about Google’s early work on the use of ML to create semiconductors for machine learning, the impact of Google’s BERT on conversational AI, and machine learning trends to watch in 2020.