General Awareness

ENVIRONMENT - February 2016

Feb 2016

May 25, 2018

Canyons Discovered in Antarctica

Scientists have discovered three vast canyons in one of the last places to be explored on Earth - under the ice at the South Pole.

Dr Kate Winter from Northumbria University, UK, and colleagues found the hidden features with radar.

As per the team, the canyons play a key role in controlling the flow of ice.

May 24, 2018

First German City to Ban Older Diesel Cars

Hamburg is to become the first German city to ban some diesel cars to improve air quality, setting a template for other urban centres in the country.

The ban will affect about 214,000 cars, more than two-thirds of the diesel vehicles registered in Germany's second-largest city.

May 23, 2018

International Biodiversity Day

The International Biodiversity Day is observed every year on 22nd May to increase understanding and awareness of biodiversity. The theme for this year was 'Celebrating 25 Years of Action for Biodiversity'. It marks the 25th anniversary of entry into force of Convention on Biological Diversity.

The term Biological Diversity (or Biodiversity) was first coined by wildlife scientist and convervationist Raymond F. Dasmann in 1968.

May 19, 2018

Unusual Laser Emission

Astronomers have discovered an unusual laser emission that suggests the presence of a double star system hidden at the heart of the 'spectacular' Ant Nebula. The extremely rare phenomenon is connected to the death of a star and was discovered in observations made by European Space Agency's Herschel space observatory.

Climate Change Causing Major Insect Wipeout

According to a new analysis, global warming is on track to cause a major wipeout of insects, compounding already severe losses.

Insects are vital to most ecosystems and a widespread collapse would cause extremely far-reaching disruption to life on Earth. Climate change would make almost half of insect habitat unsuitable by the end of the century, with pollinators like bees particularly affected.

if climate change could be limited to a temperature rise of 1.5C - the very ambitious goal included in the global Paris agreement - the losses of insects are far lower.

May 17, 2018

Major Shifts in Global Freshwater

A new global, satellite-based study of Earth's freshwater distribution found that Earth's wet areas are getting wetter, while dry areas are getting drier. The data suggest that this pattern is due to a variety of factors, including human water management practices, human-caused climate change and natural climate cycles.

Rise in Emissions of Ozone-damaging Chemical

Scientists have detected an unexpected rise in atmospheric levels of CFC-11, a chlorofluorocarbon (CFC) highly damaging to the ozone layer.

Banned by the Montreal Protocol in 1987, CFC-11 was seen to be declining as expected but that fall has slowed down by 50% since 2012.

These could hamper the recovery of the ozone hole and worsen climate change.

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