Atmosphere And Ozone Layer

Order of the National Green Tribunal regarding ozone pollution across urban India, 21/03/2025

Order of the National Green Tribunal in the matter of News Item titled “CSE report finds dangerous increase in ozone pollution across urban India” appearing in Down to Earth dated 06.08.2024. The Principal Bench of the NGT heard the matter on March 21, 2025. In the original application, registered suo …

US forecaster ups El Nino chance to 70 per cent for later this year

A US government weather forecaster on Thursday raised its forecast for the chance of El Nino conditions during the Northern Hemisphere summer to 70 per cent, up from a 60 per cent chance last month, with a 60 per cent chance it lasts through autumn. The Climate Prediction Centre, an …

Japan forecaster: El Nino likely to emerge by summer

(Reuters) - Japan's weather bureau said in its monthly outlook on Friday that the possibility of an El Nino weather pattern forming by summer remains high, but gave no probability forecast. The previous El Nino, which emerged last summer, ended over winter and conditions appear to be normal now, the …

UK braced for hottest day of the year

Beating temperatures in Spain, Turkey and Portugal, the UK is set to witness the hottest day of the year on 10 April, as temperatures are expected to rise above 20 degrees Celsius. Prolonged sunny spells and warm weather are predicted to continue between 9-10 April before cooler weather kicks in …

Ocean warming suggests 50 percent chance of El Nino-Australia

Recent warming of the Pacific Ocean may signal an El Nino weather event is forming, the Australian Bureau of Meteorology said on Tuesday. Climate models indicate the central tropical Pacific Ocean is likely to continue to warm, with El Nino thresholds to be reached or exceeded by mid-year, the weather …

Indian monsoon's past analysed by scientists

Fossils from the ocean floor are yielding clues to the Indian monsoon millions of years ago. Samples drilled from beneath the Indian Ocean are being used to reconstruct past rainfall and temperature records. Scientists are studying how the Indian monsoon behaved in the past, to shed light on the impact …

Tropical rainfall on the rise as big storm events increase, study finds

Rainfall is increasing in the tropics across the world with the rise attributed to more big thunderstorms, new research by an Australian-led team has found. While observations and models have found that "wet gets wetter" and "warmer gets wetter", the mechanism of what has been going on has been unclear. …

Western Europe to see cooler temperatures April-June: WSI

Below normal temperatures are expected in Britain and western Europe from April to June but Scandinavia and eastern Europe will continue to have above normal temperatures, Weather Services International (WSI) said on Monday. WSI's forecasts are aimed at the commodities and energy sectors. March been unusually warm across Scandinavia with …

Monsoon likely to be normal, says report

India is likely to witness a normal monsoon across the country in 2015, but rainfall in some pockets might be deficient, says a study. According to the Assocham-Skymet Weather joint report, the damage to Rabi crop due to unseasonal rains will continue and a major spell of rainfall is expected …

Rising temps to bring dry end to Southern California's poor rainy season

March brought less than an inch of rain to Los Angeles, a harbinger of an extended drought Near record highs will accompany dry weather as LA's rainy season dribbles to a close Temperatures are expected to heat up toward the end of next week, signaling a dry, disappointing and foreboding …

Significant influence of fungi on coarse carbonaceous and potassium aerosols in a tropical rainforest

Fungal spores are ubiquitous in the Earth's atmosphere, especially in the environment of tropical rainforests with intense biological activities. To assess the impact of fungi on chemical components of atmospheric aerosols at a Chinese tropical rainforest site, size-segregated fungal spore tracers (i.e. arabitol and mannitol) were measured along with major …

Cyclone Pam lifts chance of El Nino this year in Australia, forecasters says

Cyclone Pam's impact may not be restricted to devastating the island nation of Vanuatu – it may also have boosted the likelihood of an El Nino event for later this year, the Bureau of Meteorology said. The strength of category-5 Cyclone Pam combined with tropical storm Bavi to produce "one …

Order of the National Green Tribunal regarding emission of gas- HFC-23 by industries in the atmosphere, 17/03/2015

Order of the National Green Tribunal in the matter of Indian Council for Enviro-Legal Action (ICELA) Vs. MoEF & Ors. dated 17/03/2015 regarding emission of gas- HFC-23 by industries in the atmosphere. The Tribunal in its order noted that it is undisputed before us that even the industries which have …

India Environment Portal Newsletter 07 - 14 March 2015

The weekly digest of important reports, research, policy documents, regulations, studies, court cases, protests, conflicts, initiatives, photos, data, statistics, infographics, presentations on the India Environment Portal, 07 - 14 March 2015.

Global scientists predict normal monsoon rainfall in India this year

Weather scientists from the US, Japan and Europe expect India's monsoon rainfall to be normal this year, a welcome news for a country that lacks adequate irrigation facilities in its farms and is largely dependent on rains. The forecasters see a 50-60% chance for the rain-disrupting El Nino phenomenon to …

Possibility of using isotopic composition of ground-level vapour for monitoring arrival and withdrawl of southwest monsoon

Stable isotopes of oxygen and hydrogen have long been used to trace the hydrological processes on the principle that the lighter isotopes of water (e.g. H2O) preferentially evaporate over its heavier isotopes (e.g. HDO or H2 18O), and the heavier isotopes preferentially condense. In this line, several studies were carried …

Biomass burning related ozone damage on vegetation over the Amazon forest: a model sensitivity study

The HadGEM2 earth system climate model was used to assess the impact of biomass burning on surface ozone concentrations over the Amazon forest and its impact on vegetation, under present-day climate conditions. Here the researchers consider biomass burning emissions from wildfires, deforestation fires, agricultural forest burning, and residential and commercial …

Japan weather bureau raises chance of El Nino emerging by summer

(Reuters) - Japan's weather bureau said on Tuesday that the possibility of an El Nino pattern forming by summer is higher than the 50 percent it projected in its previous monthly forecast. Normal weather patterns may continue, but there is higher chance of an El Nino, which is often linked …

Deforestation in temperate zone cuts rainfall in tropics by 18%

In yet another demonstration of the inter-connectedness of the planetary ecosystem, a study has shown that large-scale deforestation in the temperate and high latitudes can drastically affect rainfall in the distant tropics. It causes changes in atmospheric circulation resulting in a southward shift in the monsoon rains, leading to a …

Much of Ireland feels the freeze of coldest February in five years

February was drier and cooler than average, according to Met Eireann’s latest weather report. Nearly all monthly rainfall totals were below average except for isolated stations in the west and southwest. Most stations reported around two-thirds or less of their expected rainfall for February. Rainfall was lowest at Phoenix Park …

Deforestation could shift monsoons, leaving India high and dry, study finds

Large-scale deforestation could cause monsoon rains to shift south, cutting rainfall in India by nearly a fifth, scientists say. Deforestation has long been known to cause temperature increases in local areas, but new research published on Tuesday shows a potentially wider impact on monsoon rains. While releasing carbon dioxide into …

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