Atmosphere Science

Order of the National Green Tribunal regarding deterioration of Nayar river, Uttarakhand, 05/06/2025

Order of the National Green Tribunal in the matter of In Re: News Item titled "Nayar river is vanishing - a yatra reveals conservation goes beyond science and policy" appearing in ‘The Down To Earth’ dated 03.06.2025. The original application was registered suo-motu based on the news item titled "Nayar …

Oceansat-2 payloads providing good images

The first images from Oceansat-2 present a mosaic of India. CHENNAI: All the three payloads on board India

State set to use digital sensors

Oct. 12: Rattled by the recent floods, the irrigation department has decided to make use of digital sensors to monitor water movement across rivers more quickly. The department will soon set up this system which will work with the aid of satellite technology. It is also planning to build small …

Reducing abrupt climate change risk using the Montreal Protocol and other regulatory actions to complement cuts in CO2 emissions

Current emissions of anthropogenic greenhouse gases (GHGs) have already committed the planet to an increase in average surface temperature by the end of the century that may be above the critical threshold for tipping elements of the climate system into abrupt change with potentially irreversible and unmanageable consequences. This would …

Smoking trees

WHILE we are yet to ascertain whether aerosols are warming or cooling our planet, a scientific team has traced a new source: deciduous trees. These are plants that shed their leaves seasonally. So far aerosols were described as particles of pollutants like sulphur dioxide, black carbon (soot) and sea salt …

Call for collaborative research in rainfall and cloud cover

SALEM: Educational institutions in the country should come forward to carry out collaborative research to study rainfall and cloud cover across the country, Head, Radio and Atmospheric Sciences Division, National Physical Research Laboratory (NPRL), New Delhi, S.K. Sarkar has said. He was speaking after signing a memorandum of understanding (MoU) …

Antarctic ice cap formed due to reduced CO2

R. PRASAD The link between the levels of atmospheric carbon dioxide and Antarctic ice sheets has been established in yet another study. The latest study published online in the journal Nature has found the formation of ice sheets was triggered when the atmospheric carbon dioxide levels fell below a threshold …

Could El Nino fuel a flu pandemic?

Vinson Kurian Thiruvananthapuram, Sept. 15 Research conducted at Texas A&M; University has sought to link the 1918 El Nino, among the strongest in history, and the flu pandemic that year. The El Nino of 1918 coincided with one of the worst droughts in India, according to Prof Benjamin Giese, lead …

BMC plans cloud seeding for Vihar

Mumbai: The BMC is planning another cloud seeding experiment at the catchment area near Vihar lake to induce rains and address water scarcity in the city. "The lake water levels have not been rising as per expectations. In the last few days, the water content of all six lakes providing …

Cloud seeding experiment with aircraft flops

Mumbai After meeting with success a fortnight ago, the Brihanmumbai Municipal Corporation

Chronicler of Madras climate in 1730s

A Raman J E GEISTER MAINTAINED DETAILED RECORDS ON WEATHER CONDITIONS FOR FIVE YEARS A scientific documentation by Walford in 1879 indicates rain, frost, drought, and meteorological phenomena as the key factors for fam ines arising consequent to changed patterns in climate. Given that even in the UK, a powerful …

Poor monsoon due to El Nino winds from Pacific

Kaustubh Kulkarni / Pune August 19, 2009, 1:08 IST When the World Metereological Organisation (WTO) warned our weather experts in June that a poor monsoon was coming , and also told them why, the latter wouldn

Hope yet: N India may get rain in August-end

Madden-Julian Oscillation May Counter El Nino New Delhi: The flagging monsoon may just get a shot of adrenaline that could counter the ill effects of this year

3rd base at Antarctica: India to join elite club

Twenty-five years after it established Dakshin Gangotri, the first permanent research station in the South Polar region, India is all set to build the third such centre in Antarctica to take up cutting-edge research in various fields. The new station, tentatively named Bharti, is scheduled to be operational by 2012, …

Temperature change faster in north than in south: IIT Delhi study

Rapid industrialisation over North India has taken its toll on climate. A study conducted at the Indian Institute of Technology, Delhi, says the northern part of the country has had a more rapid temperature change compared to the southern part. The study takes into account the gradual increase in temperatures …

Rain makers

Keep aside your worries about a bad monsoon and turn it into a business opportunity instead, like some of these startups in the cloud seeding business did, says Ashish Agashe Every cloud has a silver lining. And Nishant Reddy refuses to draw the line. Here

Cloud-seeding hampered

HYDERABAD: Cloud-seeding operations could not be undertaken for the third day on Wednesday following a technical snag in the Cessna plane being used for the purpose. On July 20, when Andhra Pradesh Agriculture Minister N. Raghuveera Reddy inaugurated the exercise at the airport, the plane lost radio contact with the …

Cloud seeding in catchment areas: BMC

MUMBAI: With levels in the lakes that supply water to the city at their lowest, the BMC on Wednesday cleared two proposals to carry out cloud seeding in the catchment areas. The decision was based on rainfall data for this monsoon so far- rain this year was 70% less than …

Rs 12cr cloud seeding plan

MUMBAI: The BMC is proposing to undertake a comprehensive cloud-seeding project at the catchments supplying water to the city. The project, which would be carried out over a period of 60 days and at a cost of Rs 12 crore, would be in addition to a seeding experiment the civic …

ISRO to launch new satellite in May

Southwest monsoon may shed some of its mystery next time round when Indian Space Research Organisation

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