Tag: protecting our environment

Biogas refers to a mixture of different gases produced by the breakdown of organic matter in the absence of oxygen. Biogas is produced by anaerobic digestion with methanogen or anaerobic organisms, which digest material inside a closed system or fermentation of biodegradable materials. There are two key processes: mesophilic and thermophilic digestion which is dependent on temperature. Research in biogas production indicates that the optimal temperature for mesophilic bacteria is around 37°C and around 55°C for thermophilic bacteria.

 Electricity in its natural form is from lightening. Various natural resources like wind (wind mills), water (turbines), fossil fuels are used to produce electricity. Therefore, electricity is a product obtained using natural resource and its since natural form cannot be easily harnessed  so cannot be nither classified as a natural resource nor a man made product.

Geothermal energy is the heat derived from the sub-surface of the earth, stored in rocks and fluids.

The Stefan-Boltzmann law states that the power radiated per unit area of a black body is directly proportional to the fourth power of its absolute temperature (P = sigma * T^4).

Solar energy is the primary source of energy for almost all ecological systems on Earth, as it drives photosynthesis in plants, which forms the base of the food chain.

Thermal belts are areas on hillsides that remain warmer than the valley floor at night, often because cold air sinks into the valley (temperature inversion), protecting the hillside from frost.

Solar wind is a stream of charged particles (primarily electrons and protons) released from the upper atmosphere of the Sun, which travels through the solar system.

Biogas is a mixture of methane, carbon dioxide and other trace gases which can be converted to heat, electricity or light. Small-scale biogas reactors are designed to produce biogas at the household or community level in rural areas.