Poor air quality is one of the leading five health risks worldwide, along with high blood pressure, tobacco smoking, diabetes and being overweight. In 2015, it contributed to nearly 8% of all deaths worldwide. Long-term exposure to polluted air has been linked to respiratory infections, chronic obstructive pulmonary disease, stroke, heart attack and lung cancer. It is justifiably called ‘passive outdoor smoking’.

Original Source

Order of the National Green Tribunal in the matter of Vardhaman Kaushik Vs. Union of India & Others dated 14/11/2017 regarding air pollution in NCT Delhi. Court directs that the express highway project of Eastern Peripheral Expressway would continue subject to Senior most officer of the NHAI filing an undertaking that they shall fully ensure that there are no dust emission and no pollution is caused by their activity.

Order of the National Green Tribunal in the matter of Vardhaman Kaushik Vs. Union of India & Others dated 09/11/2017 regarding the deteriorating air quality of Delhi NCR. National Green Tribunal in the Order said that the Judgement of the NGT dated 10th November, 2016 had "clearly postulated the steps that were required to be taken on long term and short term basis keeping in view the precautionary principle to ensure that the ill-effects and adverse impact of polluted ambient air quality in the previous year is not repeated in the year 2017.

Order of the National Green Tribunal in the matter of Vikrant Kumar Tongad Vs. Environment Pollution (Prevention Control) Authority & Others dated 08/11/2017 regarding the deteriorating ambient air quality index in Delhi NCR.

The directions passed by the Court include the following:

Air pollution is a major risk factor for global health, with 3 million deaths annually being attributed to fine particulate matter ambient pollution (PM2.5). The primary source of information for estimating population exposures to air pollution has been measurements from ground monitoring networks but, although coverage is increasing, regions remain in which monitoring is limited. The data integration model for air quality supplements ground monitoring data with information from other sources, such as satellite retrievals of aerosol optical depth and chemical transport models.

Regional Directorate (Central), Central Pollution Control Board, Bhopal has Conducted Ambient Air & Noise level monitoring in Bhopal city during celebration of Diwali festival in the year 2017 (pre-Diwali on 12.10.2017, on Diwali on 19.10.2017 & post Diwali on 22.10.2017) to record the impact of bursting of crackers on environment.

This study report presents the process of development a tool for assessment and evaluation of sustainable urban transport systems in cities in the Asia-Pacific region. The report explains and illustrates how the Sustainable Urban Transport Index (SUTI) was developed.

As the festival of Diwali and winter season draw near, Delhi-NCR is gearing up to meet the severe air quality challenge that it faces every year around this time. A Graded Response Action Plan (GRAP) has been notified and is already in place – and October 17, 2017 is the day from when Very Poor and Severe categories of GRAP will be imposed till March 15, 2018. This was announced in a press conference by the Environment Pollution (Prevention and Control) Authority (EPCA), the committee constituted by the Central government following orders passed by the Supreme Court of India in 1998.

As the festival of Diwali and winter season draw near, Delhi-NCR is gearing up to meet the severe air quality challenge that it faces every year around this time. A Graded Response Action Plan (GRAP) has been notified and is already in place – and October 17, 2017 is the day from when Very Poor and Severe categories of GRAP will be imposed till March 15, 2018. This was announced in a press conference by the Environment Pollution (Prevention and Control) Authority (EPCA), the committee constituted by the Central government following orders passed by the Supreme Court of India in 1998.

Urban air quality in most megacities has been found to be critical and Kolkata Metropolitan City is no exception to this. An analysis of ambient air quality in Kolkata was done by applying the Exceedance Factor (EF) method, where the presence of listed pollutants’ (RPM, SPM, NO2, and SO2) annual average concentration are classified into four different categories; namely critical, high, moderate, and low pollution.

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