[GWSG] PHD an emissions champ; SC team backs PHD; kelp CCS potholes; boosting EV battery life 50%

[Tilley, Al]

1. An article in Nature Climate Change projects that global adoption of the Planetary Health Diet would reduce greenhouse gas emissions by 17%. In overconsuming countries such as the US, the reduction would be about 32.4%. The study looked at consumption of 140 food products in 139 countries. https://phys.org/news/2024-08-planetary-health-diet-emissions-environmental.html
 2. The article is open access; here is the whole thing. As technical articles go, it is readable and informative (at least, until you reach the Methods section). For example, poor countries, with inadequate nutrition and high inequality in diet, will see an increase of emissions with the diet. Wealthier countries will more than offset the increase. It goes unsaid that the result would be a healthier and more sustainable world. https://www.nature.com/articles/s41558-024-02084-1
 3. A successful climate action plan must include a diet which features less meat and dairy than are currently consumed in developed nations. Moving to such a diet is the most effective climate action most of us could take. The national Sierra Club’s Climate Adaptation and Restoration Team, of which I am a member, has endorsed the Planetary Health Diet. The Northeast Florida Sierra Club Group is the first local club to publicize the PHD and to invite its 1500 members to try it out. The Green Sanctuary Committee of The Unitarian Universalist Church of Jacksonville has also undertaken a PHD invitation campaign. If you know of a group working to publicize the diet, please let me know by email to atilley at unf.edu so that I can acknowledge the effort on this list. A public Facebook group has been established to share information: Planetary Health Diet Recipes and Notes. If you would like to start a campaign to invite people to try the diet, I have handouts, posters, and some information to share.
 4. Kelp permaculture has long been proposed to sequester carbon. The fast-growing kelp would be grown near shore where there are nutrients and then towed to deep water and allowed to sink, where it would not rot and its embodied carbon would be sequestered for, perhaps, thousands of years. Recent study has discovered complications in the scenario which have not yet doomed the proposal, but suggest that further study might. https://www.science.org/content/article/can-dumping-seaweed-sea-floor-cool-planet-some-scientists-are-skeptical?utm_source=sfmc&utm_medium=email&utm_campaign=ScienceAdviser&utm_content=etcetera&et_rid=17155387&et_cid=5339016
 5. New batteries for electric vehicles are usually broken in by charging them with low current for long periods of time. If you charge them normally from the beginning they last 50% longer. https://cleantechnica.com/2024/09/01/ev-battery-makers-have-been-doing-it-wrong-this-whole-time/
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