Environment

Abatement of GHGs, particularly CO2 , implies curtailment of energy consumption. Energy is a vital factor of production, and its replacement and/or reduction will entail a shift away from current production methods. If current systems employ efficient production techniques, a change in factor proportions will increase the cost of production, and have an adverse impact … Read more

Concept Definition Carbon sequestration Carbon sequestration is the process of removing carbon from the atmosphere and storing it in a fixed molecule in soil, oceans or plants. Carbon sink  An organism or landscape that stores carbon is called a carbon sink. Carbon source An organism or landscape that emits carbon is called a carbon source. Climate change adaptation … Read more

Secondary treatment is a biological treatment process used to stabilize the dissolved solids. Microorganisms (e.g., bacteria) feed on the organic solids (food) in the wastewater and convert the organics into a cellular or biological mass that can later be removed. These biological processes are aerobic processes. Oxygen must be provided for these aerobic organisms to … Read more

India is facing the water crisis due to various factors and major reasons are decline in the per capita availability of water. As per the above stats the water crisis is deepening and is going to create huge problem. Recently Chennai faced a severe water crisis. IIT Chennai was forced to shutdown for two months.  … Read more

    Ecology is  defined “as a scientific study of the relationship of the living organisms with each other and with their environment.” The classical texts of the Vedic period such as the Vedas, the Samhitas, the Brahmanas and the Aranyakas-Upanishads contain many references to ecological concepts .The Indian treatise on medicine, the Caraka- Samhita … Read more

An increase in the average temperature of Earth’s near surface air and oceans since the mid-20th century 4th assessment report of IPCC: global temperature increased 74+0.18 degree C during the 20th century. Caused by greenhouse gases Water vapour, Co2, Methane, Nitrous Oxide, Ozone, CFCs (in order of abundance) Since the industrial revolution, the burning of … Read more

Single-use plastics, often also referred to as disposable plastics, are commonly used for plastic packaging7 and include items intended to be used only once before they are thrown away or recycled. These include, among other items, grocery bags, food packaging, bottles, straws, containers, cups and cutlery. Figure 1.1 introduces the main polymers used to manufacture … Read more

India State of Forest Report 2019 has been prepared by Forest Survey of India (FSI). It is a biannual report. The report is prepared after mapping of forests and trees through satellite. Key highlights of the report are as follows: the forest area has increased by 3976 kilometers and the area of trees by 1212 … Read more