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The Ant and the Grasshopper: Seasonality and the Invention of Agriculture (academic.oup.com)

Abstract The Neolithic revolution saw the independent development of agriculture among at least seven unconnected hunter-gatherer populations. I propose that the rapid spread of agricultural techniques resulted from increased climatic seasonality causing hunter-gatherers to adopt a sedentary lifestyle and store food for the...

Future global green value chains: estimating the renewables pull and understanding its impact on industrial relocation (2023) (zenodo.org)

On the path to climate neutrality, global production and trade of basic materials might change due to the heterogeneous availability of renewable electricity. Here we estimate the “renewables pull”, i.e. the energy-cost savings associated with such relocation, for varying depths of relocation for three key tradable...

World | Free Full-Text | The Human Ecology of Overshoot: Why a Major Population Correction Is Inevitable (www.mdpi.com)

Homo sapiens has evolved to reproduce exponentially, expand geographically, and consume all available resources. For most of humanity’s evolutionary history, such expansionist tendencies have been countered by negative feedback. However, the scientific revolution and the use of fossil fuels reduced many forms of negative...

Can Wind and Solar Solve Climate Change? (foreignpolicy.com)

“The fact that renewable energy is failing to decarbonize the electricity sector may surprise many readers accustomed to breathless reports of the rapid growth of renewable energy around the world. What Christophers means by this, though, is that while renewable energy is growing rapidly in many places, these increases are not...

Potential Perturbation of the Ionosphere by Megaconstellations and Corresponding Artificial Re-entry Plasma Dust (2023) (arxiv.org)

500,000 to 1 million satellites are expected in the next decades, primarily to build internet constellations called megaconstellations. These megaconstellations are disposable and will constantly re-enter and be replaced, hence creating a layer of conductive particulate. Here it will be shown that the mass of the conductive...

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