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Jun 2020

Jul 20, 2021

WWF-UNEP report

  • A new report by WWF and UNEP has found that 35 per cent of India's tiger ranges currently lie outside protected areas. The report, A Future for All – A need for Human-Wildlife Coexistence, examined increasing human-wildlife conflict, and has found that marine and terrestrial protected areas only cover 9.67 per cent globally.
  • With most of these protected areas disconnected from each other, many species depend on human-dominated spaces for their survival, and shared landscapes. Protected areas play an increasingly important role for the survival of key species such as large predators and herbivores, says the report.
  • Apart from India's tigers, 40 per cent of the African lion range and 70 per cent of the African and Asian elephant ranges fall outside protected areas, finds the report.

Jul 19, 2021

52% Rise in Frequency of Cyclones in Arabian Sea over Two Decades: Study

  • The frequency and intensity of cyclones developing over the Arabian Sea has increased in the last two decades, while fewer such storms have been seen over the Bay of Bengal, researchers have found in a paper that underlines the increasing risk of disasters hitting the west coast of India if the trend continues to hold over the years.
  • A 52% increase was noticed in the frequency of cyclones over the Arabian Sea between 2001 and 2019, and an 8% decrease over the Bay of Bengal, compared to the 19-year period between 1982 and 2002, according to a new study by scientists of the Indian Institute of Tropical Meteorology (IITM) under the Union ministry of earth sciences.

Jul 16, 2021

Post-2020 Global Biodiversity Framework

  • UN Convention on Biological Diversity (CBD) Secretariat released first official draft of a new post-2020 Global Biodiversity Framework.
  • This framework will be used to guide actions worldwide through 2030 in order to preserve and protect nature & its essential services to people.
  • Framework comprises of 21 targets for 2030.

Jul 13, 2021

NASA Study Predicts Record Flooding in 2030s due to Moon's 'Wobble'

  • Climate change has caused sudden weather changes on Earth, which has led to flood in many countries, especially the United States. But now, a new study has linked extreme weather events with Earth's neighbour, the moon.
  • The study has been conducted by American space agency National Aeronautics and Space Administration (NASA), which says that a 'wobble' in the Moon's orbit combined with rising sea levels due to climate change will lead to devastating floods on Earth.
  • The study was published in the journal Nature Climate Change on June 21.
  • Called 'nuisance floods', these currently occur in coastal areas when the tide reaches about 2 feet above the daily average high tide. These events are much more problematic for businesses because they inundate the streets and homes, affecting everyday life.
  • These nuisance floods will become more frequent and irregular by mid-2030s, according to NASA study. A majority of US coastline will see three to four times increase in high tides for at least a decade, according to the study.

Jul 09, 2021

India Discovers New Plant Species in Antarctica

  • Indian scientists have discovered a new plant species in Antarctica.
  • Polar biologists stumbled upon a species of moss during an expedition to the ice-covered continent in 2017.
  • Identification is laborious, and it took the scientists five years to confirm that the species had been discovered for the first time.
  • The peer-reviewed paper describing this discovery has been accepted in the leading international journal, Journal of Asia-Pacific Biodiversity.
  • The biologists, based in the Central University of Punjab, have named the specie Bryum Bharatiensis. Bharati is the Hindu goddess of learning and the name of one of India's Antarctic research stations.
  • Prof Felix Bast, a biologist who was part of the six-month-long expedition to the continent - the 36th by Indian scientists - discovered the dark green specie at Larsemann Hills, overlooking the Southern Ocean, in January 2017. This is located near Bharati, one of the remotest research stations in the world.

Delhi's NO2 Pollution Rose by 125 % in 1 Year

  • According to a study by non-government organisation (NGO), Greenpeace, Nitrogen dioxide (NO2) has been increased by 125 per cent in Delhi during the period of last one year.
  • Study analysed NO2 concentrations in India's eight most populous cities namely, Mumbai, Delhi, Bengaluru, Hyderabad, Chennai, Kolkata, Jaipur and Lucknow.
  • As per report, NO2 pollution has increased between April 2020 and April 2021 in all the eight capitals cities.
  • Delhi reported the 'most dramatic increase' during this period.
  • In Hyderabad, NO2 pollution increased by 69%.
  • It increased by 94 per cent in Chennai, 90 per cent in Bengaluru, 69 52 per cent in Mumbai, 47 per cent in Jaipur, 32 per cent in Lucknow and 11 per cent in Kolkata during the same period.
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