How 2023 Broke Our Climate Models with Neil deGrasse Tyson & Gavin Schmidt
StarTalk・2 minutes read
Climate update reveals 2023 as the hottest year globally, with a focus on climate models, historical data, and the impact of phenomena like El Nino and La Nina. Efforts to reduce pollution inadvertently contribute to warming, with geoengineering solutions posing long-term risks, emphasizing the importance of making better decisions to combat global warming.
Insights
- Gavin Schmidt emphasizes the critical role of climate models in forecasting future trends, highlighting their significance in understanding and addressing global temperature changes.
- Efforts to combat global warming must consider the complexities of the CO2 echo system, where only half of emitted CO2 is immediately sequestered, necessitating a comprehensive approach to remove carbon dioxide from both the atmosphere and the ocean for effective mitigation strategies.
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Recent questions
What is the focus of the Godard Institute for Space Studies?
Planetary atmospheres
How do El Nino and La Nina phenomena impact global temperatures?
Exceptionally warm in 2023
What is the current state of the Solar Cycle?
Heading towards a solar maximum
How do aerosols contribute to climate cooling?
Reflect sunlight back into space
What are the consequences of reducing air pollution on climate change?
Inadvertently contributed to warming
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Summary
00:00
Global Warming Trends and Climate Predictions
- Star Talk with Neil deGrasse Tyson and co-host Paul Mrio provides a climate update.
- The Godard Institute for Space Studies, a branch of NASA near the American Museum of Natural History, focuses on planetary atmospheres.
- Gavin Schmidt, a climate scientist and modeler, discusses the importance of climate models in predicting future trends.
- 2023 was recorded as the hottest year globally, with a significant increase in temperatures.
- Historical data dating back to the late 19th century helps track global temperature changes.
- The El Nino and La Nina phenomena impact global temperatures, with 2023 being exceptionally warm.
- The Solar Cycle, currently heading towards a solar maximum, affects energy output and temperature shifts.
- Aerosols, including pollutants, play a role in cooling the climate by reflecting sunlight back into space.
- Efforts to reduce air pollution have inadvertently contributed to warming by removing cooling aerosols.
- While geoengineering with aerosols is considered, the long-term consequences and risks make it an unsustainable solution.
14:26
"Global warming impacts and CO2 sequestration"
- Global warming impacts could lead to turkeys basting in their own juices, apples baking on trees, and the ability to grill on George Foreman; however, making better decisions is crucial to slow down or stop these effects.
- When reducing CO2 emissions, half of the ton put into the atmosphere is sequestered immediately, with the other half remaining in the atmosphere and ocean; removing a ton requires taking out half from the atmosphere and half from the ocean, creating a CO2 echo system to consider.
