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<keyword id="22926019" type="General" weightage="20" keywordseo="local-emissions" source="keywords">Local emissions</keyword> in most cities covered under the <keyword id="20130277" type="General" weightage="100" keywordseo="national-clean-air-programme" source="keywords">National Clean Air Programme</keyword> (NCAP) are projected to rise by at least 11% by 2030 compared to 2019 levels, according to a new study. The study, conducted by the think tank Center for Study of Science, Technology and Policy (<keyword id="22661207" type="General" weightage="20" keywordseo="CSTEP" source="keywords">CSTEP</keyword>), examined 76 out of the total 131 <keyword id="22926020" type="General" weightage="20" keywordseo="NCAP-cities" source="keywords">NCAP cities</keyword> over a period of 2.5 years. The findings revealed that only 8 of the 76 cities are likely to achieve a 40% reduction in four major pollutants -- PM10, PM2.5, sulphur dioxide, and nitrogen oxides -- by 2030, compared to their 2019 levels. "Our study shows that most cities covered under the NCAP will not be able to achieve a 40% reduction in local emissions even by 2030," said Anirban Banerjee, project lead at CSTEP. Local emissions are expected to increase by 11 to 45% in the studied cities by 2030, relative to 2019 levels, significantly worsening <keyword id="19900797" type="General" weightage="20" keywordseo="pollution" source="keywords">pollution</keyword>, the study said. The study estimated the share of the four major pollutants for the base year 2019 and projected their contributions from different sources until 2030. These outcomes were validated against transport and domestic fuel consumption surveys conducted in over 70% of the studied cities. The findings suggest that without targeted interventions, local emissions will likely rise by 2030. The study recommends prioritising targeted interventions for major <keyword id="22926021" type="General" weightage="20" keywordseo="emission-sources" source="keywords">emission sources</keyword> such as industries, transportation, construction, and open burning in these cities to meet NCAP targets and achieve cleaner air. A portal visualising the study's findings will be launched on Wednesday at the sixth edition of the India <keyword id="20445293" type="General" weightage="20" keywordseo="clean-air" source="keywords">Clean Air</keyword> Summit (ICAS), a premier conference on air pollution organised by CSTEP, taking place from August 26-30. Launched in 2019, the NCAP is India's first national initiative to set clean air targets, aiming for a 20-30 % reduction in PM10 pollution by 2024, with 2017 as the base year. The revised target is a 40% reduction by 2026, using 2019-20 as the base year.

Local emissions in most NCAP cities to rise by at least 11% by 2030, shows study

A recent study by the Center for Study of Science, Technology and Policy (<keyword id="22661207" type="General" weightage="20" keywordseo="CSTEP" source="keywords">CSTEP</keyword>) has sounded alarm bells about the escalating threat of <keyword id="21236365" type="General" weightage="20" keywordseo="sea-level-rise" source="keywords">sea level rise</keyword> to India's <keyword id="20010174" type="General" weightage="20" keywordseo="coastal-cities" source="keywords">coastal cities</keyword>. The data is stark: <keyword id="19895282" type="General" weightage="20" keywordseo="Mumbai" source="keywords">Mumbai</keyword> has experienced the most significant rise in sea levels among 15 major coastal cities in recent decades, a worrying trend that is set to worsen. Mumbai saw a rise of 4.44 cm between 1987 and 2021. Following Mumbai, Haldia recorded a rise of 2.726 cm, Visakhapatnam 2.381 cm, Kochi 2.213 cm, Paradip 0.717 cm, and <keyword id="19895758" type="General" weightage="20" keywordseo="Chennai" source="keywords">Chennai</keyword> 0.679 cm. To make matters worse, the study forecasts that sea levels will continue to rise until the end of the century, with Mumbai expected to face the highest increase. By 2100, projections indicate that sea levels will rise by 76.2 cm in Mumbai, 75.5 cm in Panaji, 75.3 cm in Udupi, 75.2 cm in Mangalore, 75.1 cm in Kozhikode, 74.9 cm in Kochi, 74.7 cm in Thiruvananthapuram, and 74.7 cm in Kanyakumari, even under a medium-emission scenario. <div type="Article" hostid="261" msid="110502066" title="Feeling like nights are getting too uncomfortable? New report confirms that nighttime temperatures aren’t dipping enough" mstype="2" mssubtype="0"></div> The study also explores potential inundation areas in these cities under the Intergovernmental Panel on <keyword id="19907392" type="General" weightage="20" keywordseo="climate-change" source="keywords">Climate Change</keyword>’s (IPCC’s) medium- and high-emission Shared Socio-economic Pathway (SSP) scenarios for 2040, 2060, 2080, and 2100. These scenarios consider how socio-economic factors such as population, education, and urbanisation might affect greenhouse gas emissions, impacting climate change. The report categorises the cities into Tier-I (Chennai and Mumbai), Tier-II (Thiruvananthapuram, Kochi, Mangaluru, Visakhapatnam, Kozhikode, and Haldia), and towns (Kanyakumari, Panaji, Puri, Udupi, Paradip, <keyword id="19898995" type="General" weightage="20" keywordseo="thoothukudi" source="keywords">Thoothukudi</keyword>, and Yanam). By 2040, more than 10% of the land in Mumbai, Yanam, and Thoothukudi, 5%-10% in Panaji and Chennai, and 1%-5% in Kochi, Mangalore, Visakhapatnam, Haldia, Udupi, Paradip, and Puri are predicted to be submerged due to <keyword id="21682268" type="General" weightage="100" keywordseo="rising-sea-levels" source="keywords">rising sea levels</keyword>. The percentage is expected to increase by 2100, with higher risks in Mangalore, Haldia, Paradip, Thoothukudi, and Yanam compared to Mumbai and Chennai under a high-emission scenario. <div type="Article" hostid="261" msid="107632251" title="Why is everyone concerned about the Earth being 1.5°C warmer for 12 months in a row?" mstype="2" mssubtype="0"></div> Dr. Anushiya J, a Research Scientist at CSTEP and the lead author of the report, emphasised the far-reaching implications of rising sea levels. "Climate change brought on by fossil-fuel burning and greenhouse gas emissions has led to a steady increase in global temperatures. As a result, sea surface temperatures and glacier melting have increased, eventually rising sea levels and posing a major threat to coastal cities worldwide, including Indian coastal cities," she stated. She highlighted that many Indian coastal cities are major economic hubs with natural ports, cultural centres, biodiversity hotspots, and religious monuments. The continuing sea level rise necessitates immediate action to frame suitable adaptation and risk mitigation strategies. The report underscores the urgent need for comprehensive policies to address the challenges posed by rising sea levels. The sectors most vulnerable include water, agriculture, forest and biodiversity, and health. The beaches, backwaters, and mangrove forests, which are crucial for biodiversity and tourism, are particularly at risk.

Mumbai, Chennai to lose 10% and 7% of their land to rising sea levels in just 15 years, says study

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Local emissions in most NCAP cities to rise by at least 11% by 2030, shows study

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Mumbai, Chennai to lose 10% and 7% of their land to rising sea levels in just 15 years, says study

BI India Bureau

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