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 …

Scientific assessment of ozone depletion: 2018 - executive summary

The latest Scientific Assessment of Ozone Depletion reveals a healing ozone layer, global warming reduction potential, and options for more ambitious climate action. The quadrennial review from the Scientific Assessment Panel of the Montreal Protocol will be presented at the 30th Meeting of the Parties to this historic accord. Its …

Gender analysis and action plan for Montreal Protocol Projects in China, Peru and Nigeria

This Gender Analysis and Gender Action Plan for UNDP Montreal Protocol projects in China, Nigeria and Peru was developed in October 2018 to support the ozone programme and projects in countries at the national and regional levels. It is intended to guide UNDP MPU/Chemicals Regional Technical Advisors, UNDP Country Offices, …

El Niño weather pattern likely in winter season in US

There is a 70-75 per cent chance of the El Niño weather pattern emerging during the northern hemisphere winter this year, a U.S. government weather forecaster said on Thursday. The pattern is expected to continue through the winter of 2018-19, the National Weather Service's Climate Prediction Center (CPC) said in …

Draft India Cooling Action Plan

India has become the first country in the world to develop this draft blueprint outlining action plan to bring down cooling requirement and refrigerant demands across sectors by 20 per cent to 25 per cent by 2037-38 while slashing cooling energy requirements by 25 per cent to 40 per cent …

Ozone-depleting substances 2018

Overall efforts to reduce the use of chemicals harming the ozone layer across the European Union continued in 2017 and the EU has already achieved its goals on the phase-out of ozone-depleting substances under the Montreal Protocol, according to the latest data released by the European Environment Agency (EEA). Ozone-depleting …

New El Niño weather event likely this winter says WMO

There's a 70% chance of a recurrence of the El Niño weather event before the end of this year, according to the World Meteorological Organisation. The last El Niño occurred in 2015-16 and impacted weather patterns around the world. Researchers say they are not expecting this new one to be …

Below-average August rainfall for Cape Town so far

Cape Town's rainfall for August has been way below average so far with some of the mountain areas that feed the city's storage dams getting less than a third of their normal rainfall. Some areas have received only a quarter of their long-term average rainfall for August to date. This …

U.S. forecaster sees 60 percent chance of El Niño emerging in fall

(Reuters) - The El Niño weather pattern has a 60 percent chance of emerging during the northern hemisphere fall of 2018, with the chances increasing to 70 percent during the subsequent winter, a U.S. government weather forecaster said on Thursday. The last El Niño, a warming of ocean surface temperatures …

Japan weather bureau sees 60 percent chance of El Niño emerging in autumn

Japan’s weather bureau said on Friday there is a 60 percent chance that an El Niño weather pattern could emerge during the northern hemisphere autumn, from September to November. The Japan Meteorological Agency also said there was a 70 percent chance of normal weather patterns during the summer season, without …

Japan to see warmer weather during August-October

Japan is expected to see warmer weather between August and October, the country’s official forecaster said on Wednesday. Eastern Japan, including the most densely populated Tokyo, has a 40 percent chance of high temperatures for the period, the Japan Meteorological Agency said in its monthly three-month forecast. The following table …

South Africa's weather service sees El Nino risk increasing

JOHANNESBURG (Reuters) - The South African Weather Service said on Tuesday the likelihood of an El Nino weather pattern was increasing as the country moved toward spring, which normally starts in September, but it was too early to determine the potential impact. The last El Nino was linked to a …

U.S. forecaster sees 65 percent chance of El Nino emerging during fall

(Reuters) - Chances of the emergence of the El Nino weather pattern have increased to 65 percent during the fall and 70 percent during winter 2018-19, a U.S. government weather forecaster said on Thursday. The last El Niño, a pattern that brings a warming of ocean surface temperatures in the …

Blowing it: illegal production and use of banned CFC-11 in China’s foam blowing industry

An environmental pressure group claimed that Chinese factories are illegally using ozone-depleting CFCs, which have recently seen a spike in emissions that has baffled scientists. The Environmental Investigation Agency (EIA) campaign group said 18 factories in 10 Chinese provinces they looked into admitted to using banned chlorofluorocarbons. Producers and traders …

Delhi-NCR facing major ozone 'spike': CSE study

NEW DELHI: Delhi and its neighbouring cities -- Faridabad and Gurgaon -- have witnessed "substantial ozone build-up" from February to May, a green body claimed on Thursday, cautioning that it was early signs of a "dangerous trend". The Centre for Science and Environment (CSE) said it has analysed real-time air …

CSE report shows rise in ozone pollution

The latest Centre for Science and Environment (CSE) analysis shows the National Capital Region has witnessed a substantial ozone build-up this summer. The finding, which is based on ozone data collected from the Delhi Pollution Control Committee, the Central Pollution Control Board and the India Meteorological Department between February to …

Major alert for Delhi! CSE study reveals ozone levels spike in National Capital

Spike in ozone pollution has emerged as a rising threat for the already polluted National Capital Region, especially Delhi, with a new study finding "green areas more vulnerable". Spike in ozone pollution has emerged as a rising threat for the already polluted National Capital Region, especially Delhi, with a new …

Rain attenuation prediction model for satellite communications based on the Météo-France Ensemble Prediction System PEARP

This paper presents an example of usage of Ensemble Weather Forecast for the control of Satellite-based Communication Systems. Satellite communication systems become increasingly sensitive to weather conditions as their operating frequency is increasing to avoid electromagnetic spectrum congestion and enhance their capacity. In the microwave domain, electromagnetic waves that are …

South Africa weather service sees El Nino building

JOHANNESBURG (Reuters) - The South African Weather Service said on Monday that it saw an El Nino weather pattern developing during the region’s winter and spring but it was too early to forecast if it would last into the summer growing season. The last El Nino was linked to a …

An unexpected and persistent increase in global emissions of ozone-depleting CFC-11

The Montreal Protocol was designed to protect the stratospheric ozone layer by enabling reductions in the abundance of ozone-depleting substances such as chlorofluorocarbons (CFCs) in the atmosphere. The reduction in the atmospheric concentration of trichlorofluoromethane (CFC-11) has made the second-largest contribution to the decline in the total atmospheric concentration of …

Scientists uncover likely cheating on ozone treaty

PARIS: The decline in the atmosphere of an ozone-depleting chemical banned by the Montreal Protocol has recently slowed by half, suggesting a serious violation of the 196-nation treaty, researchers revealed Wednesday. Measurements at remote sites — including the government-run Mauna Loa Observatory in Hawaii — of the chemical, known as …

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