HEC to make Wind Turbines
The Heavy Engineering Corporation (HEC), Ranchi, Jharkhand has decided to make turbine for generating electricity from the Wind Energy. For this HEC has decided to take technology from the Sky Wind, a company of Germany.
Sky Wind
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Two Types of work
Works done inside houses include works related to livelihood, child rearing, some small scale industries, human services, office works and indoor plays etc
International Initiatives for Environment
A number of non-governmental organisations (NGOs) or non-governmental agencies have been playing their important roles in spreading Environmental Awareness across the globe and in developing policies for the protection of environment and sustainable development.
Factors Causing Population Change
There are four basic factors that cause population change in a country – Natality or the birth rate, Mortality or…
Habitat Destruction
Nearly half of the planet’s plant and animal species live in Rainforests. Less than 2.5 billion acres of Tropical Forest have remained out of four billion acres on the Earth within a few hundred years.
Shelter for living organisms
The dictionary meaning of a shelter is – something beneath, behind, or within which a person, animal or anything is protected from adverse conditions, and where it can reproduce is called as a shelter.
Phases of technological developments
There are three phases of development of technology- invention, innovation and diffusion. The invention is a process which incorporates wide range of ideas, material things, and human behaviour in new systematic ways.
Amazing world of animals
The term animal has its origin from the Latin word animalis which means one who has breath. This word is usually applied for the non-human members of the Kingdom Animalia in animal taxonomy. However, the closer relatives of humans like mammals (having mammary glands) have been included in this term.
Joint Forest Management (JFM) and National Scenario
The concept of joint forest management was initiated on a large scale through guidelines issued by the government of India in 1990. According to those guidelines the village communities are to be involved in the development and protection of degraded forests based on taking their genuine share of benefits from those forests.
Communities that depend on Forests and Worship Trees
Tribal people of Jharkhand worship Karam Tree during their Karma Pooja. During this Pooja twigs of Karam Tree are planted at a sacred place. The Pahans (Purohits) worship these branches.
Urban and Rural Waste and their Management
Different activities may generate waste which may be solid or liquid. The quality of both solid and liquid wastes is increasing and if the wastes are disposed in an uncontrolled manner these may cause adverse impact on public health and environment. Hence these wastes need to be managed efficiently so as to safeguard public health and environment. In definitional terms, solid and liquid waste management is the collection, transportation, processing, recycling, treatment and disposal of waste materials.
Genetic Diversity Erosion: Causes and Impacts
Different types of plants and animals have been blessed with peculiar and important merits. These merits are expressed in plants and animals due to specific genes found in them.
