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Passage migrant bird spotted in Kanniyakumari is new addition to T.N.’s bird checklist

The spotting of the rare bird and its photograph were uploaded on eBird platform, where an entry was made after verification. The bird has been spotted a few times in Kerala




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A pair of hornbills consumes 90,000 fruits and 17,000 insects a year, reveals forest watcher




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Sydney’s ‘mystery’ toxic beach balls are cosmetic waste

Around 2,000 of the mystery black balls had washed onto beaches across Sydney since October 15




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Environmental delegates gather in Colombia for conference on dwindling global biodiversity

As the world grapples with plummeting levels of biodiversity, Colombia is hosting two weeks of meetings for the United Nations Biodiversity Conference




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World lags on 2030 nature goals headed into UN COP16 talks

Governments have missed deadlines on biodiversity action plans and funding for conservation is billions of dollars away from meeting a 2025 goal




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How policies shape high-performance building standards and climate goals

Governments are trying to adopt high-performance buildings through policies and financing mechanisms that promote energy efficiency, resource management, and carbon neutrality. India has made significant progress through initiatives under its National Action Plan on Climate Change




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What is GRAP Stage-2 enforced in Delhi to combat severe air pollution?

The air quality is predicted to be in the ‘very poor’ category for the next six days, according to the Central government’s Air Quality Early Warning System for Delhi




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Climate scientists warn Nordic ministers of changing Atlantic Ocean current

Several studies have suggested that the risk of the Atlantic current changing has been greatly underestimated, the scientists said.




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UN nature talks debate rules for genetic information. What does that mean?

The COP16 talks are focusing on how genetic digital information is used and do not touch on the actual samples and specimens.




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Leaders urge world to pay up to save nature as COP16 talks open

Two years earlier, countries adopted the landmark Kunming-Montreal Global Biodiversity Framework agreement with a list of 23 goals to help halt nature loss by 2030.




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Green Humour by Rohan Chakravarty on the climate cost of militaries and wars




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Delhi’s air quality ‘very poor’ due to calm winds

The air quality was also ‘very poor’ in Delhi’s neighbouring areas such as Greater Noida, Ghaziabad and Noida, and ‘poor’ in Faridabad and Gurugram




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Why is Delhi’s air quality deteriorating? | Explained

What factors contribute to the deterioration of air quality in Delhi during the winter months? How does stubble burning affect PM 2.5 levels? What role do urban emissions from vehicles play in determining air quality? Why is a coordinated approach necessary to tackle the air pollution crisis?




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Current climate pledges still fall way short on Paris goals: UN body

Current pledges can cut emissions by 2.6%, far from the 43% scientists say is necessary to ward off catastrophic warming




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Greenhouse gas emissions surge to new record in 2023: World Meteorological Organization report

The globally averaged surface concentration of carbon dioxide reached 420 parts per million (ppm), methane 1934 parts per billion and nitrous oxide 336.9 parts per billion (ppb) in 2023.




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Watch: Demo of hydrogen-electric powered vertical take-off and landing aircraft

Hyderabad-based advanced air mobility startup BluJ Aero conducted a flight demonstration of its VTOL aircraft




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Three arrested for felling sandalwood tree from forest in Coimbatore

The trio landed in the custody of the Forest Department staff, who patrolled Kadukaimarathittu area falling under the Kottur section of Pollachi forest range of the Anamalai Tiger Reserve




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What are the key takeaways from COP-16?

Is a bigger corpus going to be available for the conservation and preservation of biological diversity?




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How is Tamil Nadu bracing for heatwaves?

What is a heatwave condition? Why are Indian cities, towns and villages vulnerable both in the hills and the plains? Will notifying it as a State-specific disaster help? Why is it important to have a focused management plan in place?




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COP16 suspended without agreement on new fund for nature

COP16 aimed at assessing the progress on the agreement reached in 2022 in Canada to halt biodiversity loss, with more funding for biodiversity protection being a central issue.




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Himalayan glacial lakes saw 10.81% area expansion from 2011 to 2024: Report

The Central Water Commission's (CWC) report, states that with a 33.7% expansion of the surface area, the lakes in India experienced an even more substantial rise




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Watch: Climate finance issues in COP29, rooftop farming in Chennai

Climate finance issues expected to come up at COP29 in Baku; floods in western and central Africa, and the Chennai Urban Farming Initiative




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Mount Fuji gets its trademark snowcap after longest delay in 130 years, but still not official

Late snowfall on iconic Mt. Fuji sparks climate change concerns, breaking records and delaying official confirmation




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Climate experts worry about Donald Trump’s re-election impact

Climate experts anxious about American commitment to carbon mitigation efforts, particularly the Trump campaign’s espousal for fracking and distrust of scientific consensus on the impacts of greenhouse gas warming




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2024 will be world's hottest on record, EU scientists say

Scientists said 2024 will also be the first year in which the planet is more than 1.5C hotter than in the 1850-1900 pre-industrial period, when humans began burning fossil fuels on an industrial scale.




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The climate targets of the world’s major oil and gas companies

Direct comparisons of the oil companies’ climate plans are difficult as they emphasise different approaches to intensity-based targets




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Flood-hit towns in Space brace for another storm

Two weeks after the worst floods in Spain’s modern history, its national weather service issued an alert for torrential rains in the same area




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India working to develop own pure-hydrogen based DRI tech for green-steel making

The process will be unique to the country and the detailed project report so prepared “is under – scrutiny” across ministries, a senior government official aware of the discussions, told businessline.  




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Universe is the limit for NASA-ISRO collaboration, says Swati Mohan 

Dr Swati Mohan, the Indian-born NASA engineer, whose historic words, “touchdown confirmed”, announced to the world the successful landing of the Perseverance rover on the surface of Mars on February 18, 2021




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IIT-Madras’ brain research work finds a mention in Nvidia GTC

IIT Madras’ Centre for Computational Brain Research is receiving support from Nvidia




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ISRO reaches new milestone, successfully lands Pushpak reusable launch vehicle

ISRO conducted successful RLV-LEX-02 experiment demonstrating autonomous landing capabilities from high altitudes, marking progress in space technology




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Scientists uncover Milky Way’s ancient building blocks, Shakti and Shiva

Shakti and Shiva are comprised of stars with similar chemical compositions, formed 12-13 billion years ago, and each structure has a mass about 10 million times greater than our sun




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Starburst Accelerator SARL partners with IIT Madras to establish €100 million startup hub

This collaboration aims to establish accelerator programs that enhance India’s Aviation, Space, and Defence ecosystem




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Why Russia is building the world’s biggest fast breeder reactor 

Many countries are watching Russia build a 1,200 MW fast breeder as a possible template for themselves




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Finance Ministry notifies new FDI limits for satellite-related activities under FEMA

Finance Ministry’s new FDI limits for satellite activities, effective April 16, allow 100% FDI in the space sector with specific limits for different activities




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Ananth Technologies founder Pavuluri Subba Rao gets Aryabhatta award for contribution to astronautics

Ananth Technologies designs avionics for ISRO and Defence, supplying components to 98 satellites and 78 launch vehicles




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Veddas of Sri Lanka have close genetic link with India: Study

The finding challenges the conventional isolation-by-distance model in genetic studies




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Invert sugar: The unsung hero of sweetness

Derived through hydrolysis, it is sweeter and also more soluble than regular sugar, making it a preferred choice for various culinary creations




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Krishna Ella is new president of Indian Vaccine Manufacturers Association

“Vaccines are the vital pillar of global health, and the IVMA mission is to ensure that every individual, regardless of where they live, has access to life-saving immuniszations” - Krishna Ella, Co-Founder, Executive Chairman of Bharat Biotech




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AstraZeneca admits rare blood clot risk with Covishield, Vaxzevria vaccines

The WHO has recognised TTS as a rare but serious adverse event linked to specific Covid-19 vaccines.




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Covishield: AZ cites regulators’ view that benefits outweigh risk of ‘extremely rare potential side effects’

AstraZeneca’s Covid-19 vaccine faces UK class action suit; Serum Institute markets it in India as Covishield




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Only Indian entities can disseminate satellite data, say new IN-SPACe rules 

These are among the rules brought out today by India’s space activities regulator, the Indian National Space Promotion and Authorizsation Center (IN-SPACe). These rules are to govern private sector activities in ‘space’



  • Science and Technology

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Risks posed by advanced AI models in the wrong hands

AI models can provide information that could help create biological weapons: American intelligence



  • Science and Technology

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Of diets and weight-loss drugs, India could take a leaf out of Japan’s experience, says author 

Obesity has “exploded” around the world, and it’s not because people are lazy or weak-willed - Johann Hari, Author




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Why is blood red? A simple explanation for kids

Understanding the colour of blood helps us appreciate the complex yet fascinating workings of our bodies




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Solar storms that caused pretty auroras can create havoc with technology — here’s how

These storms, caused by high energy particles from the Sun hitting our atmosphere, have the potential to knock out electrical grids and satellites




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IIT Madras partners with SilTerra Malaysia for silicon photonic processor chips

These chips will be utilised for quantum computing and high-speed secured communication systems




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Krishna Ella awarded Dean’s Medal by Johns Hopkins Bloomberg School of Public Health

Under Ella’s guidance, Bharat Biotech created several groundbreaking vaccines, including Covaxin, India’s first indigenous Covid-19 vaccine




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NASA will soon train Indian astronauts for joint mission to International Space Station: US Envoy Eric Garcetti

NASA to provide advanced training to Indian astronauts for joint mission to International Space Station, US envoy Eric Garcetti says




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Agnikul Cosmos makes history, launching Agnibaan rocket powered by 3-D printed semi-cryo engine

This launch, which comes after several previous attempts, marks a major achievement as the first-ever controlled flight of a semi-cryogenic liquid engine realized through additive manufacturing