General Awareness

ENVIRONMENT - December 2018

Dec 2018

Jun 21, 2020

One-fifth of Earth's Ocean Floor is Now Mapped

The initiative that seeks to galvanise the creation of a full map of the ocean floor says one-fifth of this task has now been completed.
When the Nippon Foundation-GEBCO Seabed 2030 Project was launched in 2016, only 6% of the global ocean bottom had been surveyed to what might be called modern standards.
That number now stands at 19%, up from 16% in just the last year.
Some 14.5 million sq km of new bathymetric (depth) data was included in the GEBCO grid in 2019 - an area equivalent to almost twice that of Australia.
It does, however, still leave a great swathe of the planet unmapped to an acceptable degree.
Today we stand at the 19% level. That means we've got another 81% of the oceans still to survey, still to map.

Jun 17, 2020

New Fish Species Discovered in Arunachal Pradesh

A new species of fish has been discovered in Arunachal Pradesh.
Dr. Keshav Kumar Jha, Associate Professor & Head, Department of Zoology, Jawaharlal Nehru College, Pasighat discovered a new fish species from genus Schizothorax.
The fish species is named as Schizothorax sikusirumensis.
The name of this fish species has been derived from the name of the rivers where it was found.
This fish was collected from the junction of River Siku and Sirum near Gakang area under Mebo circle of East Siang District. The fish inhabits the water logged area of torrential river drainage.

Jun 12, 2020

Rise in Asiatic Lion Population in Gir

According to the 'Poonam Avlokkan' survey the population of the Asiatic lion at the Gir sanctuary in Gujarat has seen a commendable rise to approximately 29% (28.87%) from 27% in 2015, i.e their population went up from 523 in 2015 to 674 in 2020.
Subsequently the distribution area of the lions was also increased by 36% from 22,000sq km in 2015 to 30,000 sq km in 2020.
The 'Poonam Avlokkan' is an observation method carried out monthly and during every full-moon, all the officers and field staff members assess the number of lions for 24 hours across various areas within their respective jurisdictions.
The exercise for the 2020 data included 10 districts where lions have been spotted over the years in 13 forest divisions which are a part of the Lion census.

Jun 11, 2020

Britain Goes Coal Free

Britain passed a significant landmark – as it went two full months without burning coal to generate power.
A decade ago about 40% of the country's electricity came from coal; coronavirus is part of the story, but far from all.
When Britain went into lockdown, electricity demand plummeted; the National Grid responded by taking power plants off the network.
The four remaining coal-fired plants were among the first to be shut down.
The last coal generator came off the system on 9^th April. No coal has been burnt for electricity since.
The current coal-free period smashes the previous record of 18 days, 6 hours and 10 minutes which was set in June last year (2019).

Jun 10, 2020

World's Largest and Hottest Volcano in Hawaii

A team of researchers from the University of Hawaii have claimed that Pūhāhonu in Hawaii is the largest shield volcano in the world and it is twice the size of Mauna Loa which was previously thought to be the world's largest volcano.
The researchers came to this conclusion after taking a series of new measurements, including a chemical analysis of underwater rocks. The researchers also conducted a detailed survey of the ocean floor to find out the true size of Pūhāhonu.
Pūhāhonu, which is an undersea volcano, is 171 miles long and 56 miles wide. The volcano is situated in Papahānaumokuākea Marine National Monument, around 620 miles from Honolulu. Only two 170-foot tall peaks of Pūhāhonu are visible above the water.
The researchers also said that Pūhāhonu is also the hottest shield volcano on earth with estimated magma temperatures of around 3,092 degrees Farehenheit.

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