Energy Conservation

I INTRODUCTION Energy Conservation, the attempt to reduce the amount of energy used for domestic and industrial purposes, particularly in the developed world. In the past, energy was plentifully available in relation to human demand so that wood or charcoal was burned prodigally and inefficiently on open fires or in simple stoves. This provided the […]

Endangered Species

I INTRODUCTION Endangered Species, plant and animal species that are in immediate danger of extinction. The following degrees of endangerment have been defined. Critically endangered species, such as the California condor, are those that probably cannot survive without direct human intervention. Threatened species are abundant but are declining in total numbers. Rare species exist in […]


I INTRODUCTION Plant, any member of the plant kingdom, comprising about 260,000 known species of mosses, liverworts, ferns, herbaceous and woody plants, bushes, vines, trees, and various other forms that mantle the Earth and are also found in its waters. Plants range in size and complexity from small, nonvascular (without vein-like structures) mosses, which depend […]


I INTRODUCTION Conservation, sustainable use of natural resources, such as soils, water, plants, animals, and minerals. In economic terms, the natural resources of any area constitute its basic capital, and wasteful use of those resources constitutes an economic loss. From the aesthetic and moral viewpoint, conservation also includes the maintenance of national parks, wilderness areas, […]

Acid Rain

Acid Rain, the form of air pollution, currently a subject of great controversy because of the widespread environmental damage for which it has been blamed. It forms when oxides of sulphur and nitrogen combine with atmospheric moisture to yield sulphuric and nitric acids, which may then be carried long distances from their source before they […]


I INTRODUCTION Pollution, contamination of the environment by man-made substances or energy that have adverse effects on living or non-living matter. This contamination of air, water, or soil materials interferes with human health, the quality of life, or the natural functioning of ecosystems. In simple terms, pollution can be seen as the wrong substance in […]

Earth Day,Conservation

Earth Day, event first observed internationally on April 22, 1970, to emphasize the necessity for the conservation of the world’s natural resources. Starting as a student-led campus movement, initially observed on March 21, Earth Day has become a major educational and media event. Environmentalists use it as an occasion to sum up current environmental problems […]