4th November 2026
Switch to meat and milk alternatives?
Goulson begins by noting the rising levels of consumption of vegan and vegetarian substitutes – although these may be the result of highly processed ingredients. He also notes the ongoing research into and development of, meat substitutes using ‘precision fermentation’ using microbes such as selected yeasts and bacteria. And of course he reminds us that fermentation is widely used in many existing food items such as beer, cheese, sauerkraut, tofu etc.
However, “The very large plus side is that a switch to a lab-grown meat or precision-fermented protein sources in place of conventional meat and dairy would be a game changer for our planet. It would free up roughly 92% of all land that is currently used for livestock grazing and to grow food for livestock…that could be turned over to nature and carbon capture. This would eliminate the vast greenhouse gas emissions associated with livestock farming. It would be the single largest step we could realistically take in the near future to combat climate change and biodiversity collapse.
“That may seem like a glittering prize for environmentalists, but of course life is rarely quite to simple. A change like this would be hugely controversial, and have obvious and devastating consequences for the livelihoods of livestock farmers. On the other hand, if we carry on along our current trajectory, then climate change will devastate economies and livelihoods, cause extreme weather events that kill millions, flood low-lying lands including many coastal cities, render large chunks of Africa uninhabitable, and drive mass migration and social upheaval. Many scientists, me included, predict the collapse of civilisation this century if we don’t do much to combat biodiversity loss and climate change. Having to adapt to a world without livestock farming seems like small potatoes in comparison.” (143)
This I feel is at the heart of the book. We need to change the way we eat and the way we farm if we are to safeguard our lives on this planet.
Goulson argues that rather than UPFs substitutes, the healthiest option is to eat a diversity of protein-rich plants – lentils, beans and peas and products such as tofu and tempeh. As regards milk alternatives, he commends those plant-based milks that avoid the more complex additions of stabilisers, acidity regulators and emulsifiers. However he equally highlights that dairy milk is a good source of vitamins D and B, calcium and iodine and on that basis recommends dairy milk for children. (P146)
