General Awareness

ENVIRONMENT - December 2018

Dec 2018

Sep 09, 2022

Enigmatic Reef-Like Structure Discovered in Australia

An analysis of advanced satellite images from the German Aerospace Centre revealed an ancient landform with a circular rim and central dome 'hidden' in plain view on the Nullarbor Plain in Australia.
The Nullarbor Plain is a 200,000 km2 karst surface in southern Australia, underlain by ancient shallow-water limestones.
The plain, which emerged from the ocean about 14 million years ago, is relatively flat with a general relief of less than 10 m.
It is bounded to the north by the Great Victoria Desert, while abruptly terminating to the south, with up to 90 m high cliffs facing the Southern Ocean.
"Unlike many parts of the world, large areas of the Nullarbor Plain have remained largely unchanged by weathering and erosion processes over millions of years, making it a unique geological canvas recording ancient history in remarkable ways.

Sep 08, 2022

Tripura Sets up the India's First Bio-Villages

Tripura became the first state in India to have the first modified bio-village. The Daspara village of Tripura is converted into a nature-based lifestyle and livelihood and reduced the use of chemical fertilizers. Dasapara is a home for 64 families which depends on agriculture and fishery. Daspara is one of the five successful bio-villages 2.0 conceptualized in Tripura after the BJP came into power and adopted the Climate change mitigation endeavor of Prime Minister Narendra Modi.

Sep 06, 2022

Zimbabwe Moves 2,500 Wild Animals because of Climate Change

Zimbabwe began moving more than 2,500 wild animals from a southern reserve to one in the country's north to rescue them from drought, as the ravages of climate change replace poaching as the biggest threat to wildlife.
About 400 elephants, 2,000 impalas, 70 giraffes, 50 buffaloes, 50 wildebeest, 50 zebras, 50 elands, 10 lions and a pack of 10 wild dogs are among the animals being moved from Zimbabwe's Save Valley Conservancy to three conservancies in the north — Sapi, Matusadonha and Chizarira — in one of southern Africa's biggest live animal capture and translocation exercises.
Project Rewild Zambezi," as the operation is called, is moving the animals to an area in the Zambezi River valley to rebuild the wildlife populations there.

New Species of Pearl Oyster Discovered

Marine biologists described a new species of the oyster genus Pinctada from the east coast of Phuket Island, Thailand, in the Andaman Sea.
Pinctada is a genus of saltwater oysters in the bivalve mollusk family Pteriidae.
There are approximately 20 scientifically recognized Pinctada species.
They are widely distributed from shallow to deep waters of the tropical and subtropical regions between the Indo-Pacific and western Atlantic.
They are not closely related to either the edible oysters or the freshwater pearl mussels.
Several Pinctada species produce the pearls of jewellery quality that seem to have sustained from ancient times the human definition of beauty and rarity.

Sep 05, 2022

Over 99% Population Breathes Air Exceeding WHO's PM2.5 Guidelines

According to a report by Greenpeace India, over 99 per cent of India's population is breathing air that exceeds the World Health Organisation's health-based guidelines with respect to PM2.5.
As per the key findings in the report titled "Different Air Under One Sky", the greatest proportion of people living in India are exposed to PM2.5 concentrations more than five times the WHO annual average guideline.
As per the report's annual average PM2.5 exposure analysis, the region with the highest exposure to pollution in the country is Delhi-NCR.

Sep 04, 2022

Africa's Oldest Dinosaur Discovered in Northern Zimbabwe

A team of palaeontologists discovered a new early skeleton that is so far, the oldest dinosaur skeleton ever found in Africa. It is estimated Mbiresaurus raathi was a long-necked dinosaur that was about 6 feet long, weighing between 10 and 30 kilograms. A graduate student at Virginia Tech discovered the mostly intact fossil in Northern Zimbabwe and it was unearthed over two digs in 2017 and 2019.
The discovery of Mbiresaurus raathi fills in a critical geographic gap in the fossil record of the oldest dinosaurs and shows the power of hypothesis-driven fieldwork for testing predictions about the ancient past.

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