# 2021: Point-Wise Current-Affairs/GS Articles

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Dec 30, 2021

## 🌟Coccolithophores: Ancient Marine Algae

In a study carried out by the National Centre for Polar and Ocean Research (NCPOR) on Coccolithophores (microscopic ancient marine algae) , it has been revealed that there is a decrease in the concentration of oceanic calcium carbonate (${\mathrm{CaCO}}_{3}$) in southern Indian ocean.

• Coccol…

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Environment

## 🌟World Dugong Day 2020

Every year on 28th May, World Dugong Day is celebrated. Dugong are also known as ‘Sea Cow’ , one of the four surviving species in the Order Sirenia. It is the only existing species of herbivorous mammal.

• Lives exclusively in the sea including in India.
• On the IUCN Red List, th…

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Environment

## 🌟A Study on Sal Forest Tortoise

Over 90 % of the potential distribution of the Sal Forest tortoise falls outside the current protected area՚s network as per a recent study by ecologists in the Wildlife Institute of India (Dehradun) . Parts of India with Bangladesh, Bhutan and Nepal have been covered in the stud…

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Environment

## 🌟Energy Transition Index: WEF

The annual rankings of the global Energy Transition Index have been released by the World Economic Forum (WEF) . This index benchmarks 115 economies on the current performance of their energy systems.

### Data Analysis

• For the third consecutive year, Sweden has topped the Index. It is …

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Environment

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