Check out the science behind this TEDx talk:
| Section of the talk: | Source / media coverage / peer-reviewed research: | |
| 1. | Have one fewer child | Wynes, Seth, and Kimberly A. Nicholas. “The climate mitigation gap: education and government recommendations miss the most effective individual actions.” Environmental Research Letters 12.7 (2017): 074024. |
| 2. | We have no clue which personal actions matter most against CO2 | Selected media coverage Article in F.A.Z. Interview in Der Spiegel Infograph in Handelsblatt A 2022 study in 14 countries confirms that people have no clue which personal actions matter most against CO2: Stiftung Warentest |
| 3. | Americans completely miss the CO2 impact of flying less, and the French misjudge the impact of eating less meat | Article on LinkedIn |
| 4. | Over the course of ten years, an average German eats 117 chicken, 4.5 pigs, and half a cow | https://www.blitzrechner.de/fleisch/ |
| 5. | We massively under-estimate our meat consumption: | Article in Der Spiegel Article on LinkedIn |
| 6. | For people like us, the four biggest personal levers to fight climate change are: Fly less, energy-efficient heating, green electricity, and eat less meat | CO2 calculator of the German Environment Agency |
| 7. | Experts have no clue on which nudges perform best | Milkman, Katherine L., et al. “Megastudies improve the impact of applied behavioural science.” Nature 600.7889 (2021): 478-483. |
| 8. | More information does not seem to help | Klein, Nadav, and Ed O’Brien. “People use less information than they think to make up their minds.” Proceedings of the National Academy of Sciences 115.52 (2018): 13222-13227. |
| 9. | The effect of a single behavioral intervention is small (avg. probability of benefit between 6.6% and 14.4%, based on 83 behavioral interventions in randomized controlled trials) | Nisa, Claudia F., et al. “Meta-analysis of randomised controlled trials testing behavioural interventions to promote household action on climate change.” Nature communications 10.1 (2019): 1-13. van der Linden, Sander, and Matthew H. Goldberg. “Alternative meta-analysis of behavioral interventions to promote action on climate change yields different conclusions.” Nature Communications 11.1 (2020): 1-2. |
| 10. | Nudges that directly steer our behavior are 3x more effective than cognitive nudges | Cadario, Romain, and Pierre Chandon. “Which healthy eating nudges work best? A meta-analysis of field experiments.” Marketing Science 39.3 (2020): 465-486. |
| 11. | People that are concerned about climate change are roughly 50% of the population | Yale Program on Climate Change Communication |
| 12. | The peer influence of seeing other PV installation is measurable | Bollinger, Bryan, et al. “Visibility and peer influence in durable good adoption.” Marketing Science (2022). |
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