Environment

An algal bloom is a sudden increase in the population of algae in a freshwater or marine habitat. The bloom generally looks like a scum on the surface of the water and may colour it blue-green, red, or yellow, depending upon the species of algae involved. An algal bloom is caused by enrichment in the … Read more DMPQ- How algal boom destroys the freshwater or marine habitat?

. 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 DMPQ-Discuss India’s climate change policy and also mention the changes brought in it overtime.

Earth Overshoot Day marks the date when humanity’s demand for ecological resources and services in a given year exceeds what Earth can regenerate in that year. We maintain this deficit by liquidating stocks of ecological resources and accumulating waste, primarily carbon dioxide in the atmosphere. Earth Overshoot Day is hosted and calculated by Global Footprint … Read more DMPQ: What is Earth overshoot day and what does it signifies

The International Convention for the Prevention of Pollution from Ships (MARPOL) is the main international convention covering prevention of pollution of the marine environment by ships from operational or accidental causes. The MARPOL Convention was adopted on 2 November 1973 at IMO. The Protocol of 1978 was adopted in response to a spate of tanker … Read more DMPQ: Write a short note on MARPOL Convention?

The forest cover is broadly classified in 4 classes, namely very dense forest, moderately dense forest, open forest and mangrove. The classification of the cover into dense and open forests is based on internationally adopted norms of classification. It has not been possible to further segregate the dense forest into more classes owing to enormity … Read more DMPQ- Define the following terms given in forest survey report a) Very dense forest b) Moderately dense forest c) Open forest d) Scrub e) Non forest

Inorganic plant nutrients are water soluble nitrates and phosphates that cause excessive growth of algae and otheraquatic plants. The excessive growth of algae and aquatic plants due to added nutrients is called Eutrophication.   Impact of Eutrophication on environment: Creation of dense blooms of noxious, foul-smelling phytoplankton known as Algal Blooms that reduce waterclarity and … Read more DMPQ-What is eutrophication and How does it affect the marine ecosystem?

Air Quality Early Warning Systemis designed to predict extreme air pollution events and give alerts to take necessary steps as per Graded Response Action Plan (GRAP) of the Government of India. The air pollution system has been developed jointly by the scientists at Indian Institute of Tropical Meteorology (IITM), Pune, India Meteorological Department and National … Read more DMPQ- Air quality is declining to a high proportion. In this context explain the system of Advanced Air quality early warning system.

Plastic pollution has become one of the most pressing environmental issues, as rapidly increasing production of disposable plastic products overwhelms the world’s ability to deal with them. Plastic pollution is most visible in developing Asian and African nations, where garbage collection systems are often inefficient or nonexistent. But the developed world, especially in countries with … Read more DMPQ- Currently we are in age of Plastic crisis. Comment on the statement.

The International Solar Alliance (ISA) was conceived as a coalition of solar-resource-rich countries (which lie either completely or partly between the Tropic of Cancer and the Tropic of Capricorn) to address their special energy needs. The ISA will provide a dedicated platform for cooperation among solar-resource-rich countries, through which the global community, including governments, bilateral … Read more DMPQ- What is International Solar Alliance (ISA) ? Discuss it’s interests and objectives in achieving renewable energy goals.

. It is an Integrated Conservation Mission for river Ganga, approved as ‘Flagship Programme’ by the Union Government in 2014 with budget outlay of Rs.20,000 Crore.   Main pillars of the mission River front development o Conservation of Aquatic life and biodiversity Improvement of coverage of sewerage infrastructure in habitations on banks of Ganga. River … Read more DMPQ- Throw a light on the mission pillars of Namami Gange mission. Also suggest some vital measures to make Ganga a clean river.