Context: According to the World Meteorological Organization (WMO), Brazil and Argentina set world records in 2018 and 2019 respectively after recording lightning strikes that travelled the farthest and lasted the longest. More on the news: The findings of the United Nations weather agency, were published in the journal American Geophysical Union’s Geophysical Research Letters ahead of International Lightning Safety Day. Brazil recorded a... .
Updated on 30 June, 2020
Context: A study in journal ‘science advances’ reported that formations like the El Niño of the Pacific Ocean could emerge in the Indian Ocean. Background: About 19,000-21,000 years ago, there was a peak of ice age conditions called the Last Glacial Maximum. Around this time, ice-sheets covered North America and Eurasia, and sea-levels were much lower, with Adam’s Bridge exposed so that the Indian subcontinent and Sri Lanka were contiguou... .
Updated on 29 June, 2020
Context: An international collaboration of researchers recently claimed that it had finished mapping nearly one-fifth of the world’s ocean floor. More on the news: It is a new milestone in the history of marine exploration, The Nippon Foundation-GEBCO Seabed 2030 Project, which is coordinating efforts to complete the mapping of the entire ocean floor by 2030. The announcement was made on World Hydrography Day (June 21) that it had added 1.... .
Updated on 25 June, 2020
Context: Out of the two solar eclipses that will be observed this year, one took place recently (June 21) and was visible in India. It was also visible in parts of Asia, Africa, the Pacific, the Indian Ocean, parts of Europe and Australia. More on the news: This solar eclipse was a rare annular eclipse that occurs once every one or two years, and coincides with the northern hemisphere’s longest day of the year, called the summer solstice. The ... .
Updated on 22 June, 2020
Context: Recently, the colour of water in Lonar lake in Buldhana district , Maharashtra turned pink due to which the State Forest Department sent samples for testing to National Environmental Engineering Research Institute in Nagpur and Agarkar Research Institute in Pune. More on News: Some experts have attributed the change to the mixing of dunaliella algae with halo bacteria, forming a beta carotene pigment and turning the water pink. Same ins... .
Updated on 13 June, 2020
Context: The thawing of permafrost is the principal reason that led to the recent 20,000-tonne oil leak at an Arctic region power plant in Russia. The thermoelectric plant at Norilsk (3,000 km northeast of Moscow) is built entirely on permafrost, whose weakening over the years due to climate change caused the plant to sink. What is permafrost? While permafrost itself is always frozen, the surface layer that covers it (called the “ac... .
Updated on 10 June, 2020