The Skeptics' Guide to the Universe The Skeptics Guide #1010 - Nov 16 2024
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Nov 16, 2024 Michael Mann, a distinguished climate scientist, joins to discuss the alarming shift in public perception from climate denial to 'doomism'. He highlights the manipulation of misinformation by fossil fuel advocates and emphasizes the need for proactive climate action, particularly from younger generations. The conversation delves into the complexities of climate change, including tipping points and the effects on vulnerable communities. Mann also addresses geoengineering, advocating for immediate action over reliance on technological fixes to combat global warming.
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Multiple Tipping Points
- Climate change isn't one catastrophic tipping point, but many smaller ones within subsystems.
- Global temperature rises linearly with emissions, but ice sheets and ocean currents have tipping point dynamics.
AMOC Tipping Point
- A potential tipping point involves the AMOC, the Atlantic Meridional Overturning Circulation, slowing or stopping.
- Models show varied timelines, and effects like North Atlantic cooling would compete with overall warming.
Heat Miser and Cold Miser
- Michael Mann uses the analogy of Heat Miser and Cold Miser to describe climate change.
- This is in his book, "Our Fragile Moment."
