StarTalk Radio Cosmic Queries – Climate Change at NASA with Chief Scientist Katherine Calvin
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Mar 1, 2022 Katherine Calvin, NASA's Chief Scientist and senior climate advisor, shares her expertise on climate change and its impact on humanity. The conversation covers innovative NASA initiatives, including carbon removal technologies and the role of ecosystems in mitigation. They explore nuclear energy's potential and the intricacies of geoengineering, all while addressing the urgency of climate action. Listeners will gain insights into NASA's extensive climate data and the importance of individual contributions to combat climate change.
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Current Climate Change Impacts and Irreversibility
- We are already experiencing climate change effects like heat extremes and wildfires.
- Some climate impacts, such as ice sheet melt and sea level rise, are irreversible.
The Scientist's Role in Climate Discussions
- Katherine Calvin's job is to provide scientific information to inform decisions, not to advocate for specific solutions.
- Scientists aim to give an unbiased view of technologies and their effects, letting others make decisions.
Natural vs. Human-Induced Climate Change
- Natural climate change exists, but the rate of change in the last 150 years is unprecedented.
- This rapid change is attributable to greenhouse gas emissions from human activity.