Aquatic ecology
Arctic Ocean sea-ice is declining: Study
According to a study published in the journal Nature Climate Change, conducted by the University of California, Los Angeles (UCLA) in the U.S., Arctic Ocean may be ice-free for part of year starting sometimes between 2044 and 2067. Satellite observations show ..
Arctic Ocean may be invaded by microbes: Study
On 14 Nov, two studies published in the journal Cell found that the diversity of microscopic organisms habiting the Earth’s oceans are the least at the higher latitudes nearer to the poles and increase in a gradient towards the equator. ..
Injambakkam beach in Chennai and Besant Nagar’s Eliot’s Beach notices a blue shimmer on waves
On 18th August 2019, visitors to the Injambakkam beach in Chennai and Besant Nagar’s Eliot’s Beach noticed a blue shimmer on the waves i.e. Popularly known as ‘Sea Tinkle’. According to marine experts, the Noctiluca algae were behind this blue ..
Ministry of Housing and Urban Affairs launches 5th edition of Swachh Survekshan 2020
In New Delhi, the Union Ministry of Housing and Urban Affairs (MoHUA) has launched the 5th edition of the annual cleanliness survey – Swachh Survekshan 2020 (SS 2020) – with theme “Cleanliness is Our Right’’. The survey will be conducted ..
Gujarat government launches ‘Reuse of Treated Waste Water Policy’ to reduce state’s dependence on fresh water
The Gujarat government has launched its ‘Reuse of Treated Waste Water Policy’ in Gandhinagar, which aims to reduce the state’s dependence on fresh water sources like the Narmada river. The policy will promote the use of treated wastewater and will ..
Carbon Capture, Utilization and Storage (CCUS)
Carbon Capture, Utilization and Storage (CCUS) refers to technologies that capture carbon dioxide (CO2) emissions from large stationary sources like power plants or industrial facilities that use fossil fuels. The CO2 can then be securely and permanently stored underground or ..
Rayichapalu officially declared as one of rarest species of fish in world by Marine Living Resources Department of Andhra University
‘Rayichapalu’ has been officially declared as one of the rarest species of fish in the world by the researchers from the Marine Living Resources Department of Andhra University. The fish is a regular catch for fishermen in Visakhapatnam, Andhra Pradesh. ..
Underwater Robot gives rare glimpse beneath Antarctic sea ice
Remotely Operated Vehicle sent down by scientists of the Australian Antarctic Division (AAD) has captured a rare glimpse beneath the Antarctic sea ice through a small hole drilled in the ice. It also recorded the acidity, oxygen, salinity and temperature ..
Environment GK Questions and Answers for Civil Services Examination
1. Which among the following is also known as a hotspot for cactus biodiversity? [A]Sechura Desert in Peru and Ecuador [B]Caatinga scrub in equatorial Brazil [C]Tehuacán Valley desert in southern Mexico [D]Sahara Desert in Africa Tehuacán Valley desert in southern ..