Sam Harris speaks with Chris Field about climate change and its consequences. They discuss skepticism about climate change, the accuracy of climate models, the magnitude of temperature increases, how global temperatures are measured, the historical record of climate variation, the range of possibilities in the coming decades, feedback mechanisms, wildfires, water vapor, air pollution, solar geo-engineering, the biggest challenge to taking action on climate change, the costs of transitioning to a carbon-neutral economy, renewable sources of energy, nuclear power, carbon capture, hydrogen, the developing world, China and India, carbon taxes and other incentives, and other topics.

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Learning how to train your mind is the single greatest investment you can make in life. That's why Sam Harris created the Waking Up app. From rational mindfulness practice to lessons on some of life's most important topics, join Sam as he demystifies the practice of meditation and explores the theory behind it.