General Awareness

ENVIRONMENT - December 2018

Dec 2018

Sep 01, 2021

Odisha's Kendrapara District: Only Place to have all 3 Crocodile Species

Kendrapara district of Odisha, that is crisscrossed by rivers, creeks and water inlets, has become the only district in India where all three species of crocodiles viz., salt-water, gharial and mugger are found.
District has also claimed fame for its successful conservation programme launched for salt-water or estuarine crocodiles at the Bhitarkanika National Park.
The National Park comprises of 1,768 estuarine crocodiles and is home to 70 per cent of India's estuarine crocodiles.
Gharial hatchling was rescued from Paika River which is a tributary of Mahanadi.
Bhitarkanika River systems are home to saltwater crocodiles. On the other hand; Mahanadi River, Brahmani River and their tributaries are inhabited by muggers and gharials. Sighting of the crocodiles is significant because conservation of these species (Muggers and Gharials) has not been as successful as that of the estuarine crocodiles.

Aug 31, 2021

New Mosasaur Species Uncovered in Kansas

A new species of the mosasaur genus Ectenosaurus has been identified from the fossilised remains found in western Kansas, the United States.
The newly-identified mosasaur species lived during the Late Cretaceous epoch, some 80 million years ago.
The ancient creature inhabited the Western Interior Seaway, a shallow body of marine water that divided the North American continent into two distinct landmasses.

Aug 30, 2021

Greenland Expedition Discover World's Northernmost Island

Scientists set foot on a tiny island off the coast of Greenland which they say is the world's northernmost point of land and was revealed by shifting pack ice.
The discovery comes as a battle is looming among Arctic nations the United States, Russia, Canada, Denmark and Norway for control of the North Pole some 700 km (435 miles) to the north and of the surrounding seabed, fishing rights and shipping routes exposed by melting ice due to climate change.
"It was not our intention to discover a new island," polar explorer and head of the Arctic Station research facility in Greenland, Morten Rasch, said.
The scientists initially thought they had arrived at Oodaaq, an island discovered by a Danish survey team in 1978. Only later, when checking the exact location, they realized they had visited another island 780 metres northwest.
The small island, measuring roughly 30 metres across and a peak of about three metres, consists of seabed mud as well as moraine - soil and rock left behind by moving glaciers. The team said that they would recommend it is named "Qeqertaq Avannarleq", which means "the northernmost island" in Greenlandic.

Aug 29, 2021

Massive Iceberg Narrowly Avoided Collision with Antarctic Ice Shelf

A massive iceberg that broke off of Antarctica last year recently spun around and narrowly avoided colliding with the Brunt Ice Shelf. Such a crash could have caused a new, even more massive iceberg to break off.
Iceberg A-74, which is more than 20 times the size of Manhattan, split from Antarctica's Brunt Ice Shelf in February 2020. Ocean currents kept the giant iceberg near its parent ice shelf for the past six months. Everything was quiet, until the winds came.
In early August, strong winds spun the iceberg around the ice shelf. Two polar-orbiting satellites that make up the Copernicus Sentinel-1 mission captured radar images between Aug. 9 and Aug. 18 that showed A-74 "brushing slightly" against a thin strip of ice that juts off the shelf and then moving south.

Aug 24, 2021

Stubble Burning: Air Quality Commission Asks States to Follow Protocol Developed by ISRO

The Commission for Air Quality Management (CAQM) asked Delhi and its neighbouring states to adopt a protocol developed by the Indian Space Research Organisation (ISRO) for estimation of crop residue burning fire events. The protocol developed by the ISRO estimates these events using satellite data.
The CAQM asked the governments of Delhi, Punjab, Haryana, Uttar Pradesh and Rajasthan to develop a time-bound comprehensive action plan in collaboration with stakeholder agencies responsible for monitoring and reporting of events related to agriculture residue burning. The CAQM is responsible for executing plans to prevent and control air pollution in the Delhi-NCR region and adjoining areas.

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