This is such an interesting article. If only humanity understood all this stuff, and if only its leaders were capable of acting appropriately, with that knowledge.
Sadly, we will just keep on as we are, till it is too late.
The future of agriculture, for an even larger human population, is daunting

I keep thinking about the guy who's been recording insect population in a remote area of Costa Rica for 40 years, documenting their collapse. The jungle still looks lush, but he points out that little is getting pollinated. Once the plants die it will become a desert.
But we still haven't realised.

3. No, local food production, while it might have other virtues, does not translate into lower environmental impact. Food miles are a tiny proportion of overall impact. WHAT you eat is far more important than WHERE it comes from.

4. And what exactly does “local” chicken or “local” pork mean? The local bit is the factory or field through which the feed is channelled. But where does the feed come from? On average, there is more soy (in the UK it’s all imported, mostly from Brazil or the US) in chicken than there is tofu.