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Jun 2020

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.

Aug 22, 2021

Rain Falls on Greenland's Summit for First Time in Recorded History

  • Rain has fallen on the summit of Greenland's ice sheet for the first time in recorded history, heightening concerns about the already precarious condition of its ice.
  • An unprecedented 7 billion tons (6.3 billion metric tons) of water pelted the ice sheet, falling as rain and not snow for several hours. This was the third time temperatures at the summit had risen above freezing in less than a decade, according to recordings taken by the National Science Foundation's Summit Station.
  • The rainfall, which is the heaviest since records began, is a sure indication that Greenland is warming at a rapid pace.

Aug 21, 2021

Muga Dhambi One of the Largest and Oldest Corals in the Great Barrier Reef

  • Australian scientists have discovered one of the largest and oldest coral colonies in the Great Barrier Reef, which is the largest coral reef system on Earth.
  • The massive coral belongs to the genus Porites and measures 34 feet (10.4 meters) wide and 17.4 feet (5.3 m) tall, making it the widest and sixth-tallest coral in the Great Barrier Reef. Snorkelers found the record-breaking coral off the coast of Goolboodi, part of the Palm Island Group in Queensland, Australia, and they named it "Muga dhambi" — meaning "big coral" in the language of the Manbarra people, who are the Indigenous people of Palm Islands.
  • The researchers found that the massive coral has been around for between 421 and 438 years, meaning that it predates the colonization of Australia.

Aug 20, 2021

Arvind Kejriwal to Inaugurate Country's First Smog Tower

  • According to Delhi Environment Minister Gopal Rai, the country's first smog tower will be inaugurated by Chief Minister Arvind Kejriwal.
  • The smog tower, located at Baba Kharak Singh Marg, Connaught Place, will clean 1,000 cubic metres of air every second and reduce PM 2.5 and PM 10 levels in Delhi.
  • The scientists of the Delhi Pollution Control Committee will accordingly assess the performance of the tower and present a monthly report.
  • As per Delhi Environment Minister, if the smog tower is found effective, more such towers will be set up across the national capital.

Aug 19, 2021

China Approves Biggest State-backed Renewable Project for Green Hydrogen

  • The Chinese region of Inner Mongolia has approved a massive power project that will use solar and wind to produce green hydrogen.
  • Inner Mongolia's Energy Administration has given the go ahead to a cluster of plants in the cities of Ordos and Baotou that will use 1.85 gigawatts of solar and 370 megawatts of wind to produce 66,900 tons of green hydrogen a year, the Hydrogen Energy Industry Promotion Association said in a report. Development will begin in October and the projects will be operational in mid-2023.
  • The project, which would produce enough hydrogen output to displace about 180 million gallons of gasoline a year if it were used for fuel cell vehicles, is the biggest yet to be spearheaded by the government.
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