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Olduvai III: Catacylsm
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Making, adapting, sharing: fabricating open-source agricultural tools

This is a story about people who build their own machines. It’s a story about people who, due to necessity and/or conscious choice, do not buy commercial equipment to work their lands or animals, but who invent, create and adapt machines to their specific needs: for harvesting legumes, for hammering poles, for hitching tools onto tractors.

The machines are just one part of our story, and this article will talk about encounters between people, tools and knowledge and it will take us to various places: Paris and Renage in France, Pyrgos and Kalentzi in Greece, and Tallinn in Estonia.

Let us begin our journey in Greece. In Pyrgos (southern Crete), there is a small group of people called Melitakes (the Cretan word for ants) interested in seed sovereignty and agroecology. It is a group that cares about organic farming and that tries to form a small cooperative. One of the things the group does is to plant legumes in between olive-trees or grapes. While olive trees are abundant in Greece, the land in between individual trees is usually not cultivated due to the distance necessary to avoid shading and foster the growth of the trees. So the idea was quite simple: use the unused land. However, the members of the group soon faced a specific problem: it’s hard to harvest legumes by hand and there are no available tools to do this arduous job in a narrow line between olive trees. On the market, there are only big tractor accessories, suitable for such a job, and only for large crops. That is why the group sought the help of a friend in a nearby village, a machinist, to help them out. He liked the idea. He saw it as a challenge and started to develop a tool (see picture 1).

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There’s only one way to avoid climate catastrophe: ‘de-growing’ our economy

What’s most disturbing about this litany of pain is that it’s only going to get worse. A recent paper in the journal Nature estimates that our chances of keeping global warming below the danger threshold of 2 degrees is now vanishingly small: only about 5 per cent. It’s more likely that we’re headed for around 3.2 degrees of warming, and possibly as much as 4.9 degrees. If scientists are clear about anything, it’s that this level of climate change will be nothing short of catastrophic. Indeed, there’s a good chance that it would render large-scale civilization impossible.

If scientists are clear about anything, it’s that this level of climate change will be nothing short of catastrophic

Why are our prospects so bleak? According to the paper’s authors, it’s because the cuts we’re making to greenhouse gas emissions are being more than cancelled out by economic growth. In the coming decades, we’ll be able to reduce the carbon intensity (CO2 per unit of GDP) of the global economy by about 1.9 per cent per year, they say, if we make heavy investments in clean energy and efficient technology. That’s a lot. But as long as the economy keeps growing by more than that, total emissions are still going to rise.

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Olduvai IV: Courage
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Olduvai II: Exodus
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