Global cooling or more accurately, Ice Age is coming.
Mass starvation happened in Europe and East Asia in a mini Ice Age.
(Viking descendants had to abandon Greenland where their Viking ancestors settled centuries earlier when Earth was warm and Greenland green.)
Agriculture is being destroyed in the US by nature and by politics as usual. Many parts of world now cannot grow grain because of lack of warmth.
Sun is the cause for climate changes, and not human activities.
Nature’s way of survival is species diversity. But factory farming eliminates genetic diversity. Seed diversity is essential.