Mangroves are peculiar group of salt tolerant plants having some special ecological adaptations such as viviparous germination, presence of pneumatophores and salt excretory glands which constitute an important biodiversity in the estuarine regions of the world. Mangrove forests help in carbon sequestration and are most productive and biologically important ecosystems of the world because they provide important and unique ecosystem services to human society and coastal and marine systems. They provide nesting and breeding habitat for fish and shellfish, migratory birds, crocodiles and sea turtles. These forests are very useful for reduction of greenhouse effects and reducing the intensity of cyclones and tsunami. These forests also provide food, fodder, timber, medicinal plants which are very useful for maintaining ecological balance in the coastal regions of the world.

Prevention and control techniques of gaseous pollutants (Combustion, Absorption, Adsorption & Condensation); Prevention and control methods of particulates matter (Settling Chambers, Cyclone Separators, Wet Collectors (Scrubbers), Bag Filters and Electrostatic Precipitators);

Meteorology is the science dealing with the atmosphere and its phenomena, including both weather and climate.

Environmental science is multi-disciplinary subject. It deals with environment, ecosystem  and its functioning. Environmental science deals with environmental system. Recently it deals with climate change.

This course emphasizes the basic knowledge on cleaner technology in agriculture including the development and utilization of biofertilizers and biopesticides for achieving agricultural sustainability.