Did you know that great Indian civilizations like Maya and Anasazi went down primarily due to environmental disasters like erosion and aridity? Did you know that the Sumerians in Mesopotamia, such a creative and influential society, collapsed due to the salinization of the soil? Did you know that improper irrigation practices brought at least one [...]
What is cleantech? Cleantech in the narrow sense includes green technologies like: Renewable energy (solar, wind, geothermal, biofuels) Green buildings Energy efficient and low emission transportation Biomaterials like bioplastic Water filtration With cleantech in the narrow sense one still means manmade technologies. For example solar panels, photovoltaic (PV) modules, high efficiency heat pumps and so [...]
The bottom line of this article is very simple: “Make the most of what you already have”. Nothing new, nothing extraordinary, just what the common sense says. You may see on the left side the famous five-level hierarchy of needs from Maslow. This hierarchy is after 1990s further extended to include transcendence, helping others to [...]
Assume you are living in a small village located at the shore of a beautiful lake. Your village’s main source of sustenance is fishery. You, like your fellow villagers, live a simple but happy life. You don’t have luxury cars, high-end music sets or swimming pools, but you have your close friends and relatives, and [...]
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