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Study Links Springtime Ozone Increases Above Western North America to Emissions in Asia

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Springtime ozone distributions for 1984, 1995–2008 in the mid-troposphere (3.0–8.0 Springtime ozone levels above western North America are rising primarily due to air flowing eastward from the Pacific Ocean, a trend that is largest when the air originates in Asia. km), and air mass source regions. Credit: Nature, Cooper et al.

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Study of lead isotopes provides insight into aerosols transport from Asia to US

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About a third of the airborne lead particles collected at two sites in the San Francisco Bay Area came from Asia, a finding that underscores the far-flung impacts of air pollution and heralds a new way to learn more about its journey across vast distances. —John Christensen. —Stephanie Ewing. One site was on Mt.

Asia 199
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Potent GHG SF6 rapidly accumulating in atmosphere, driven by demand for SF6-insulated switchgear in developing countries

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Peter Simmonds at the University of Bristol, UK, and his colleagues calculated annual emissions of SF 6 between 1978 and 2018. Between 2008 and 2018, annual emissions of the gas increased by about 24% to around 9,000 tonnes a year. —Simmonds et al. —Simmonds et al.

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This Nigerian Startup’s Minigrid Began as a School Project

Cars That Think

When Ifeanyi Orajaka was an undergraduate engineering student in 2008, he had his career all mapped out. After he graduated from the Federal University of Technology in Owerri, Nigeria, his plan was to get a high-paying job at one of the multinational oil and gas companies based in the country. Established by former U.S.

Nigeria 65
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Researchers identify new nitrated PAH compounds from combustion that are hundreds of times more mutagenic than parent PAHs

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A team led by researchers at Oregon State University has discovered novel nitrated polycyclic aromatic hydrocarbon (NPAH) compounds produced by combustion sources or formed in the atmosphere that are hundreds of times more mutagenic than their parent PAHs, which are known carcinogens.

Pollution 275
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New phase of globalization could undermine efforts to reduce CO2 emissions

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The study, involving researchers from the University of East Anglia (UEA) and colleagues in China and the United States, investigated how complex supply chains are distributing energy-intensive industries and their CO 2 emissions throughout the global South. The paper is published in Nature Communications.

Global 170
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Inaugural Program Unveils ‘Pancham Dham Mahayagya’ Across 12 Cities in India, Starting in Saharsa, Bihar on January 15

Baua Electric

During the week-long festival organized by the Nyas on Swami Vivekananda Jayanti , a diverse gathering, ranging from students of Delhi University to those from rural areas, came together to celebrate for the betterment of the world. Hindu representatives from all over Asia will participate in the Yatra.