cloud seeding

Cloud Seeding

Cloud Seeding Vincent Schaefer an American chemist and meteorologist discovered the principle of cloud seeding in 1946. It is a type of weather modification technique that improves the ability of clouds to produce rain or snow by introducing tiny ice nuclei into certain types of subfreezing clouds. These nuclei provide Read more…

Carbon Sink

Carbon Sink

Carbon Sink Carbon sink is a natural or artificial reservoir that absorbs and stores Carbon dioxide from the atmosphere. Why in the news? India has committed in its NDC – to create an additional carbon sink of 2.5 to 3 billion tonnes of CO2 equivalent through additional forest and tree Read more…

water cycle

BIOGEOCHEMICAL CYCLES

BIOGEOCHEMICAL CYCLES Introduction: The flow of energy is linear in ecosystems but its opposite nutrients go through a cyclical process. The nutrients are locked in the dead remains of organisms and come back into the soil by decomposers. The recycling of these nutrients is called the biogeochemical or nutrient cycle. Read more…

Types of Pollution

Pollution

Pollution  Pollution is the unfavorable alteration of our environment, largely as a result of human activities (Southwick; 1976) We can explain it as ‘Pollution is an undesirable change in physical, chemical, and biological characteristics in our air, land, and water that is harmful or may harm future organisms’. Actions such Read more…

energy-flow

Ecosystem

Ecosystem: The term ecosystem was first used in 1935, by British ecologist Arthur Tansley.  Interaction of living and non-living of an area with each other, i.e. interacting organisms of an area together with the non-living constituents of the environment form an ecosystem. This shows the relationship between organism and their Read more…