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Who knows how much energy 1 joule represents? How much oil does it take to make a mobile phone? How much coal is used in the world? Despite all the debate about this crucial subject, most of us are in fact "energy blind". We often talk about energy without fully appreciating what it means today, or how central it is to all human evolution. This book provides the keys to understanding energy in a fun, short chronicle format.
As human activities have spread, taking up more of the earth's surface, we have unintentionally disrupted the water cycle with consequences on our planet's ecosystem. We can reverse this, particularly through regenerative agriculture. There is a lot of talk about the role of carbon in climate change, but the importance of water is less well known. Intervention at the level of the water cycle could be the fastest way to have an impact and ensure our food security on the planet.
How can we feed 10 billion people tomorrow? Can we avoid deforestation, the intensive use of fertilisers and synthetic products, which aggravate climate change and the erosion of biodiversity? Should the debate be limited to a strict opposition between organic and conventional agriculture ? Can a better distribution of resources and changes in diet solve everything?There is no single answer to all these questions, but agriculture has a magical side. It is not only part of the problem, it is also part of the solution, thanks to the superpowers of the soil. By being alive, preserved and regenerated, the soil can feed us, ensure the diversity of life on Earth and store carbon to help offset our greenhouse gas emissions.Through a few scientific benchmarks, a brief historical review and the exploration of virtuous practices that can contribute to the life of the soil, this book opens up a bright future. Farmers have the Earth in their hands, but it is up to all of us to support them.
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