Hope Over Optimism in Climate Action and Climate Science with Gary W. Yohe

Key takeaways

Climate science and policy should be flexible and adaptable as understanding evolves.
Not all climate risks are measurable purely in economic terms; intrinsic value matters.
The three main responses to climate impacts are mitigation, adaptation, and accepting suffering.
Progress in climate action has been achieved, but recent political setbacks have slowed efforts.
Extreme weather events are increasing and are scientifically linked to climate change.
Individuals and businesses should evaluate risks realistically and prepare for unavoidable impacts.

Summary

The Importance of Iterative Climate Policy and Science

Gary Yohe emphasizes that climate science and policy must be adaptable and iterative, constantly evolving as new data and understanding emerge. He stresses that current recommendations are best guesses, subject to change, and that policies should be flexible enough to incorporate future scientific findings. This approach allows for necessary course corrections and acknowledges the inherent uncertainty in climate modeling and impacts.

Understanding and Valuing Climate Risks Beyond Economics

Gary discusses the need to recognize that not all climate risks can be quantified monetarily. While economic metrics like damages and lives lost are useful, they do not encapsulate the intrinsic value of ecosystems, human lives, or threatened systems. This broader perspective helps in understanding the full scope of climate impacts, urging us to consider qualitative and intrinsic values when making decisions.

The Three Choices in Climate Impact Management

The conversation highlights the framework of mitigating, adapting, or suffering from climate impacts, a concept attributed to John Holdren. Mitigation involves reducing emissions, adaptation prepares us for unavoidable impacts, and suffering represents the unavoidable residual damage. Gary notes that while mitigation and adaptation can reduce impacts, some damage is inevitable, making resilience-building crucial.

Progress, Setbacks, and Current Challenges in Climate Policy

Gary reviews the historical progress and setbacks in climate policy, noting that political changes, especially recent shifts, have hindered climate science funding, research, and action. The rollback of protections and promotion of fossil fuels under certain administrations have slowed global progress. He highlights the increasing frequency of extreme weather events and economic damages, emphasizing that such impacts are rising and are scientifically attributable to climate change.

Practical Steps for Climate Awareness and Action

Gary encourages individuals, businesses, and policymakers to consider climate risks seriously, prioritizing resilience and risk management. He advocates for paying attention to credible scientific warnings, understanding likelihoods of extreme events, and making informed decisions about location and preparedness. Recognizing that some climate impacts are real and imminent should motivate proactive responses rather than complacency.

Show notes

Gary W. Yohe, Professor Emeritus at Wesleyan University, is a climate change expert with 40 plus years' experience, Nobel Peace Prize-recognized, focusing on mitigation, adaptation, and economic impacts of environmental policy.

Top 3 Value Bombs

1. Climate policy and science must be iterative; decisions today should evolve as new data and realities emerge.

2. Not all climate risks can or should be measured purely in economic terms; human lives and ecosystems carry intrinsic value.

3. The future of climate impact comes down to three choices: mitigate, adapt, or suffer; and we will experience some of all three.

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