Geography

Major objective of this lecture is to present on Water Table Topography. The water table is the surface where the water pressure head is equal to the…

Main objective of this lecture is to present on Controlling Water Quality. In this lecture also briefly describe on Clean Water Act 1972. Controlling Water Quality…

Economic growth is an increase in the capacity of a country to provide people with goods and services. Must have more people (producers and consumers)…

Environmental Science is the study of how the earth works, how we interact with the earth, and how to deal with environmental problems. Environment= the sum…

Major uses of Green Chemistry: Energy; Global Change; Resource Depletion; Food Supply and Toxics in the Environment. Energy is the vast majority of the energy generated in the world today is…

This lecture introduce on Principles of Green Chemistry. Some Principles are: Prevention: It is better to prevent waste than to treat or clean up waste after it has…

Green Chemistry is the utilization of a set of principles that reduces or eliminates the use or generation of hazardous substances in the design, manufacture…

Principle objective of this lecture is to present on Coral Ecosystems: Land-based Pollution Threats to Coral Reefs. The coral reef ecosystem is a diverse collection of species that…

Aquifers can be unconfined or confined by impermeable rock layers called aquicludes. In an unconfined aquifer, water flows freely. The water table tends to approximate…

The aim of this lecture is to present on Ground Water: Concepts. Rain and snowmelt that infiltrate the ground. Soil and rock act as giant sponges, they are…

Groundwater that soaks into the ground after rain. It is replenished mostly by rain. If there is less rain than use of the water, the water level…

Water Pollution means any physical (temperature, oxygen), chemical (mercury), or biological (disease, sewage) change to water that adversely effects its use by living things. This…