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The world has several challenges that we’ll have to solve in the 21st century. The problems that we face are connected and integrated. Therefore, we believe it necessary to focus on an integrated solution for the challenges that we believe mankind faces nowadays. They are: 1) Erosion; 2) Deforestation; 3) Desertification; 4) Poverty; 5) Food crisis; 6) Unemployment; 7) Child labour; 8) Rural-urban migration; 9) Climate change and 10) Water scarcity. In order to solve these challenges, mankind needs the solutions of thousands and the hard work of millions to implement them.
There is not one solution for all these problems, on the contrary, we need an integrated approach of all the available solutions in order to solve the challenges. So, we need solutions for energy, against diseases, to produce more food, to create jobs, and so on. Groasis will focus on a small part of the spectrum of needed solutions that can help alleviate the challenges. We call this part the Treesolution. There is approximately 2 billion hectares of degraded farmland available. Planting productive trees in combination with growing vegetables in this area of degraded farmland can help combat erosion, create the production of saleable products, help produce approximately 5 to 10 tonnes of food per hectare, disconnect approximately 15 tonnes of CO₂ per hectare, create approximately 1 direct and 1 indirect job per hectare, can help revitalize the rural areas and this way diminish migration and change the soil into a sponge, stimulate the harvest of rainwater.
The Treesolution in combination with all the other thousands of solutions, will help us to combat the challenges.

The world has several challenges that we’ll have to solve in the 21st century. The problems that we face are connected and integrated. Therefore, we believe it necessary to focus on an integrated solution for the challenges that we believe mankind faces nowadays. They are: 1) Erosion; 2) Deforestation; 3) Desertification; 4) Poverty; 5) Food crisis; 6) Unemployment; 7) Child labour; 8) Rural-urban migration; 9) Climate change and 10) Water scarcity. In order to solve these challenges, mankind needs the solutions of thousands and the hard work of millions to implement them.
There is not one solution for all these problems, on the contrary, we need an integrated approach of all the available solutions in order to solve the challenges. So, we need solutions for energy, against diseases, to produce more food, to create jobs, and so on. Groasis will focus on a small part of the spectrum of needed solutions that can help alleviate the challenges. We call this part the Treesolution. There is approximately 2 billion hectares of degraded farmland available. Planting productive trees in combination with growing vegetables in this area of degraded farmland can help combat erosion, create the production of saleable products, help produce approximately 5 to 10 tonnes of food per hectare, disconnect approximately 15 tonnes of CO₂ per hectare, create approximately 1 direct and 1 indirect job per hectare, can help revitalize the rural areas and this way diminish migration and change the soil into a sponge, stimulate the harvest of rainwater.
The Treesolution in combination with all the other thousands of solutions, will help us to combat the challenges.

