Environment

The Blue Flag is one of the world’s most recognised voluntary eco-labels awarded to beaches, marinas, and sustainable boating tourism operators. In order to qualify for the Blue Flag, a series of stringent environmental, educational, safety, and accessibility criteria must be met and maintained. There are nearly 33 criteria that must be met to qualify … Read more

. National Ambient Air Quality Standards envisaging 12 pollutants have been notified under the EPA, 1986 along with 115 emission/effluent standards for 104 different sectors of industries, besides 32 general standards. Government is executing a nation-wide programme of ambient air quality monitoring known as National Air Quality Monitoring Programme (NAMP). The network consists of six … Read more

All mines are temporary structures. They can remain active for many years, but they will eventually run out of minerals and cease operations. This does not automatically mean that the environment and wildlife will no longer suffer. Responsible owners would backfill the underground mine. However, not all mine operators would resort to this option because … Read more

. India’s policy on climate change can be broadly divided into two phases – one in which it strictly adhered to ‘Historical Responsibility’  slogan and the other when it diluted it as it became a bigger economy and bigger polluter. India has  become third largest emitter of GHG in absolute terms only behind China, which … Read more

Swachh Survekshan (Cleanliness survey) is an annual survey of cleanliness, hygiene and sanitation in cities and towns across India. It was launched as part of the Swachh Bharat Abhiyan, which aimed to make India clean and free of open defecation by 2 October 2019. The first survey was undertaken in 2016 and covered 73 cities … Read more

Autogenic engineers: They change the environment via their own physical structures, i.e. their living and dead tissues. As they grow and become larger, their living and dead tissues create habitats for other organisms to live on or in. Examples of Autogenic Engineering: Trees, corals, and giant kelps are good examples of autogenic engineers. As they … Read more

Upwelling is a process in which deep, cold water rises toward the surface. Winds blowing across the ocean surface push water away. Water then rises up from beneath the surface to replace the water that was pushed away. Upwelling occurs in the open ocean and along coastlines. Water that rises to the surface as a … Read more

Indian forests face a number of problems which are both natural and man-made. Some of the major problems are: Inadequate and dwindling forest cover. Low productivity Nature of forests and their uneconomical utilisation Lack of transport facilities Forest fires Plant diseases, insects and pests Obsolete methods of lumbering and sawing Lack of commercial forests Lack … Read more

India State of Forest Report 2019 has been prepared by Forest Survey of India (FSI). It is a biannual report. The report is prepared after mapping of forests and trees through satellite. Key highlights of the report are as follows: the forest area has increased by 3976 kilometers and the area of trees by 1212 … Read more

. Space launches can have a hefty carbon footprint due to the burning of solid rocket fuels. Many rockets are, however, propelled by liquid hydrogen fuel, which produces ‘clean’ water vapour exhaust, although the production of hydrogen itself can cause significant carbon emissions. Rocket engines release trace gases into the upper atmosphere that contribute to … Read more