Dr Euan Nisbet - Methane: Wetlands are “turning on” - a feedback effect to human induced climate heating causing a Termination event.

Episode contents:

1. Comparisons between methane and carbon dioxide in the atmosphere.
2. Working out the methane budget.
3. Atmosphere getting richer in Carbon 13 isotope from fossil fuel industry.
4. Something happened in 2006 as Carbon 12 started to rise.
5. Rising methane from biological sources.
6. Regional increases are spiking.
7. Different types of biological sources.
8. Feedbacks switching on.
9. Wetlands are “turning on”.
10. Historic precedent: “huge rapid change”
11. Events known as a “Terminations”
12. A rapidly changing planet.
13. Should we use geoengineering?