General Awareness

ENVIRONMENT - November 2014

Nov 2014

Oct 05, 2015

Remains of Woolly Mammoth Discovered

A farmer found the partial skeleton of a woolly mammoth, which may have lived about 12-13,000 years ago.
Experts from the University of Michigan were able to retrieve about a fifth of the animal's bones during an excavation.
As per reports, there are only 10 similar sites in Michigan where a significant portion of a woolly mammoth skeleton was found. He said this one was likely 40 years old when it probably was killed by humans.

Sep 30, 2015

New Zealand's New Ocean Sanctuary

New Zealand will create one of the largest marine protected areas in the world, spanning an area of 620,000 sq km.
As per New Zealand Prime Minister, the Kermadec Ocean Sanctuary will be one of the world’s most significant fully protected ecosystems.
The sanctuary is in the South Pacific Ocean.
The area is considered crucial in terms of biodiversity, featuring nearly 35 species of whales and dolphins, 150 types of fish and three of the world’s seven sea turtle species. It is also geologically significant, encompassing the world’s longest chain of submerged volcanoes and the second deepest ocean trench.

Sep 27, 2015

Italy's Glaciers Retreated by 40 Percent

As per a report released by World Wildlife Fund, Alpine glaciers in Italy have lost an estimated 40 percent of their area over the last three decades.
The situation of glaciers on the Italian side of the Alps is very worrying.
The report suggested that drastic measures should be adopted at the Paris summit to prevent further deterioration of the glaciers in Italy and worldwide.
With respects to the Italian Alps, the report stated glaciers currently cover a total area of about 368 sq.km compared to 609 sq.km in the 1980s.

Sep 25, 2015

Delhi's Air Worst among 381 Cities

The latest World Bank report on leveraging urbanisation in South Asia has identified "air pollution" as a big challenge for major cities in the region, including Delhi. While Delhi is the worst among 381 cities from developing countries, 19 of the 20 most polluted cities are from South Asia.
Referring to the WHO report with regard to the level of Particulate Matter (PM) 2.5 in the ambient air in cities, the World Bank said that of all the sources of congestion associated with the growth of cities, one of the most serious for health and human welfare is ambient air pollution from vehicle emissions and the burning of fossil fuels by industry.

Sep 24, 2015

There's More Oxygen in Earth's Core than Previously Believed

A new view of the content of the Earth's core has suggested that there is more oxygen in it than previously believed.
Some new findings have been discovered about Earth's core and mantle by considering their geophysical and geochemical signatures together. This research provides insight into the origins of Earth's formation.
Based on the higher oxygen concentration of the core, a team has concluded that Earth must have accreted material that is more oxidized than the present-day mantle
By combining experimental petrology, geochemistry, mineral physics and seismology, the team found that core formation occurred in a hot (liquid) moderately deep magma ocean not exceeding 1,800-kilometer depth, under conditions more oxidized than present-day Earth.

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