column rosalind pereira quiet war against waste

People go into the sea to swim, Rosalind Pereira observes. “Then they discard their clothes on the beach and get into new clothes.” For the co-founder of Project Aamhi, a community waste management effort that enables people in 17 coastal Maharashtra villages to keep their neighbourhoods and beaches clean, this peculiar swimming habit sparked an … Read more

Why birds are just like us

What is a bird? Textbook definitions would say ‘warm-blooded vertebrates that have feathers, toothless, beaked jaws and lay hard-shelled eggs’. But there is much more to them — their lives have enough drama, adventure, danger and romance to put a movie script to shame. And when you start looking at them closely, you realise there … Read more

Scientists create first ‘pangenome’ of Asian rice

Asian cultivated rice (Oryza sativa L.) is one of the most important food crops in the world. Representative image. | Photo Credit: Sandy Ravaloniaina/Unsplash Scientists have assembled a first of its kind ‘pangenome’, a kind of reference genome, by stitching together key parts of genomes from 144 varieties of wild and cultivated varieties of rice … Read more

Climate change is disrupting the human gut in a new path to illness

Climate-driven food shortage and undernourishment could affect the composition of the human gut microbiota, exacerbating the effects of climate change on human health, according to a new review article published in The Lancet Planetary Health. The article comes on the heels of a growing number of studies that highlight the key role food and nutrition … Read more

Successful urban birds sport different colours from unsuccessful ones

In 2016, when Juan Diego Ibáñez-Álamo at the University of Granada in Spain met Kaspar Delhey, an expert in bird coloration at the Max Planck Institute for Biological Intelligence, a new collaboration was born. “He suggested we study whether urbanisation is associated with differences in bird coloration,” Delhey said. Many studies have investigated how urban … Read more

As biodiversity threats mount, Forest Rights Act gives India the edge

In many parts of the world, conservation laws and policies are becoming more exclusionary. They are disenfranchising local communities and indigenous people, disregarding their rights and role in conservation, and allowing the state as well as private interests to exploit resources. Conservation science and its legal frameworks are rooted in colonial ideas, and define nature … Read more

New study reveals how lion-tailed macaque strategically uses its habitat amidst increasing human pressures

Coimbatore Tamil Nadu 16/10/2024:  A Lion-tailed macaque with its infant at Valparai, which stood first in terms of richness of threatened fauna in the Western Ghats.  Photo: Periasamy M/ The Hindu. | Photo Credit: PERIASAMY M In a new study, the Bengaluru-based Centre for Wildlife Studies (CWS) has shed light on how the endangered and … Read more

Theni a fertile ground to nurture Startups

Vasanthan Selvam, Chief Executive Officer, Entrepreneurship Development Institute of India, at the milky mushroom cultivation and incubation centre, a startup industry, at Horticulture College and Research Institute, Periyakulam. in Theni district. | Photo Credit: G. KARTHIKEYAN A recent LinkedIn post on Theni having more than 150 startups kicked up a flurry of comments on the … Read more

Spain’s blackout highlights renewables’ grid challenge

The cause of last week’s massive power outage in Spain and Portugal remains unclear but it has shone a spotlight on solar and wind energy, which critics accuse of straining electricity grids. The rise of renewables presents a challenge for power grids, which must evolve to adapt as countries move away from fossil fuels. Maintaining … Read more

About 61% of Sikkim’s butterfly species are in the Dzongu region, study finds

Bassarona durga (Sikkim’s State butterfly) | Photo Credit: Special Arrangement A 10-year study to establish the Dzongu region as one of India’s richest butterfly habitats has become a “gift to the world” in celebration of Sikkim’s 50 years of Statehood. Sikkim transitioned from a protectorate to India’s 22nd State on May 16, 1975. Sonam Wangchuk Lepcha, … Read more

‘Development’ at the cost of Nicobar Islands

The Central government’s plans in the Nicobar Islands, especially land taken over for deforestation, will affect the native Shompen tribe, which needs forests for its livelihood. | Photo Credit: Public domain The famous tree crusader and tree lover Shri ‘Vanajeevi’ Ramaiah who passed away last month was a firm believer that trees are vital for … Read more

Sustainable farming: Pests drop to zero in chilli, tomato crops after adoption of biocontrol agents

Farmer Ilapuram Anil Reddy and Agricultural Extension Officer Nagarajun at the former’s farm at Pedda Masanpally village of Thoguta Mandal in Siddipet district. SIDDIPET In a move aimed at encouraging sustainable farming, Agricultural Extension Officer (AEO) of Yellareddypet cluster in Siddipet district T. Nagarjun has introduced biocontrol agents and biofertilisers to promote eco-friendly pest and … Read more

What is the total allowable catch?

Fishers venture out to fish in mechanised boats in Mandapam North Sea, June 16, 2023, after the end of the 61-day fishing ban. | Photo Credit: Balachandar L./The Hindu The total allowable catch (TAC) is a limit on the total quantity of fish that fishers can catch in a particular area. It’s usual for agencies … Read more

ISRO satellites forecast wheat production

A woman harvesting wheat in a field on the outskirts of Lucknow. | Photo Credit: SANDEEP SAXENA The Indian Space Research Organisation (ISRO) in a study using its satellites has estimated that the total wheat production from eight major wheat growing States of India would be 122.724 million tonnes as on March 31, 2025. According … Read more

Olive ridley turtles prefer mates of similar size: Study

Rushikulya, discovered as a mass nesting site in 1994, has since become a focal point of olive ridley conservation in India. | Photo Credit: Special Arrangement A new study has revealed that olive ridley sea turtles tend to select mates of similar size, indicating a pattern of size-assortative mating. The research, conducted jointly by scientists … Read more

Hesaraghatta grasslands will remain untouched

The large 5,678-acre grasslands in Hesaraghatta are finally under protection from encroachment and development. The Government of Karnataka issued the final notification of the Greater Hesaraghatta Grassland Conservation Reserve recently while conservationists and those who have been crying hoarse to save the city’s remaining green areas heaved a sigh of relief. The grassland region in … Read more

How Coimbatore’s trees tell tales of time, travel and belonging

These trees came as immigrants, made friends with the locals and now are upstanding inhabitants of Coimbatore providing priceless service to the city and its people. Architect, Jayashree Raman says trees offer a wealth of natural solutions to various design challenges. “They provide insights into structural strength, energy efficiency, and biomimicry, leading to more sustainable … Read more

European Red Admiral butterfly sighted for first time in Himachal’s Dhauladhar mountain range

European Red Admiral butterfly sighted near Dharamshala in the mountain range of Dhauladhar in Himachal Pradesh. Picture credits: Lovish Garlani In a remarkable first for India’s lepidopteran records, the European Red Admiral (Vanessa atalanta), a widely distributed migratory butterfly species, has been sighted and documented in Himachal Pradesh. The species was observed near Dharamshala in the Dhauladhar … Read more

Puttur civic body converts wet waste into BioCNG to operate 6 vehicles

Puttur city municipality in Dakshina Kannada district uses Bio CNG generated from wet waste to operate its six vehicles since August 2024. | Photo Credit: SPECIAL ARRANGEMENT In a rare initiative in Karnataka, Puttur city municipality in Dakshina Kannada is converting wet waste into Bio Compressed Natural Gas (BioCNG) through private partnership, for the past … Read more

On the suspension of the Indus Waters Treaty: Green Humour by Rohan Chakravarty

Green Humour | Photo Credit: Rohan Chakravarty Green Humour | Photo Credit: Rohan Chakravarty Rohan Chakravarty is a cartoonist and illustrator from Nagpur. His series, ‘Green Humour’, consists of cartoons and comics on wildlife, nature conservation, environmental issues, sustainability, and all things green. Published – May 01, 2025 09:30 am IST

Mango crop in Yadgir hit by unseasonal rains, gusty winds, hailstorms

Mango fruits dropped from trees owing to gusty wind accompanied by hailstorm and rain, in Wadagera taluk of Yadgir district in Karnataka. | Photo Credit: SPECIAL ARRANGEMENT The recent unseasonal rains accompanied by gusty winds and hailstorm damaged the mango crop in Yadgir district of Karnataka, particularly in Wadagera taluk. Mango growers expected a good … Read more