This article throws light upon the eight main determinants of earth’s carrying capacity. The determinants are: 1. Growing Inequality in Income 2. Economic Growth 3. Population Growth 4. Cropland 5. Pasture and Rangeland 6. Fisheries 7. Fresh Water 8. Forests and Woodlands. Determinant # 1. Growing Inequality in Income: Of the three principal driving forces, the growing inequality in income [...]
This article throws light upon the four main spheres of earth. The spheres are: 1. Atmosphere 2. Hydrosphere 3. Lithosphere 4. Biosphere. Sphere # 1. Atmosphere: The earth's atmosphere, a complex fluid system of gases and suspended particles, did not have its origin in the beginning of the planet. The atmosphere as of today has been derived from the Earth [...]
Biogeochemical cycles are essential to long-term, sustainable life on Earth for several reasons. First, living things require many chemical elements, and these must be available at the right time, in the right amounts, and in the right concentrations relative to each other. This is the essence of, and the importance of, biogeochemical cycles. Second, sustained life on Earth is a [...]