Beijing

Policies and investments to address climate change and air quality in the Beijing–Tianjin–Hebei Region

This report shows how air quality in the People's Republic of China's fast-growing Beijing-Tianjin-Hebei industrial hub has deteriorated and presents an integrated, cost-effective model to reduce carbon emissions and other pollutants. Analyzing the costs and benefits of different scenarios, it sets out a modeling framework and shows how adapting policies …

Policies and investments to address climate change and air quality in the Beijing–Tianjin–Hebei Region

This report shows how air quality in the People's Republic of China's fast-growing Beijing-Tianjin-Hebei industrial hub has deteriorated and presents an integrated, cost-effective model to reduce carbon emissions and other pollutants. Analyzing the costs and benefits of different scenarios, it sets out a modeling framework and shows how adapting policies …

Clearing the air: a tale of three cities

Air pollution presents an increasingly apparent challenge to health and development across the globe. Exposure to PM2.5 is a major health risk and worldwide, an estimated 4.13-5.39 million people died prematurely in 2017 from exposure to PM2.5 pollution. The health impacts of pollution also represent a heavy cost to the …

25 years after Beijing: A review of the UN system’s support for the implementation of the Platform for Action, 2014–2019

To commemorate the 25th anniversary of the Fourth World Conference on Women, the United Nations Inter-Agency Network on Women and Gender Equality (IANWGE) has, for the first time, conducted a review of the UN system’s support for implementation of the Beijing Platform for Action and the 2030 Agenda for Sustainable …

A review of 20 years’ air pollution control in Beijing

In 1998 Beijing began an intensified air pollution control program, and over the last 20 years the city has implemented a series of measures including energy infrastructure optimization, coal-fired pollution control, and vehicle emission controls. These efforts successfully reduced air pollution. In the five years from 2013 to 2017, fine …

Emerging trends in global freshwater availability

Freshwater availability is changing worldwide. Here we quantify 34 trends in terrestrial water storage observed by the Gravity Recovery and Climate Experiment (GRACE) satellites during 2002–2016 and categorize their drivers as natural interannual variability, unsustainable groundwater consumption, climate change or combinations thereof. Several of these trends had been lacking thorough …

WHO Global Urban Ambient Air Pollution Database (update 2018)

More than 80% of people living in urban areas that monitor air pollution are exposed to air quality levels that exceed the World Health Organization (WHO) limits. While all regions of the world are affected, populations in low-income cities are the most impacted. According to the latest air quality database, …

Key to Beijing’s fight against smog: Accurate forecast a fortnight ahead

In Beijing’s battle against pollution lies lessons for New Delhi, amid the debate in the capital over the effectiveness of the government’s odd-even scheme to curtail deteriorating air quality. On November 2, a text message to all mobile numbers issued in Beijing warned of worsening air quality and that an …

Unlike Beijing, Delhi has no time-bound targets

BEIJING/NEW DELHI: The recently concluded Communist Party Congress saw Chinese president Xi Jinping calling for the establishment of a "beautiful China". His emphasis was on fighting pollution. The challenge for the party is the widespread dismay over smog in Beijing and several Chinese cities through winter and beyond. China is …

70% of Chinese companies fail air pollution checks

More than 70 per cent of companies checked by Chinese authorities failed environmental standards during the latest round of air pollution inspections, state media reported on Sunday. The findings came after two months of inspections across 28 cities in the notoriously smoggy Beijing-Tianjin-Hebei region and other nearby areas, the official …

Intensified drive to cut PM2.5 and pollution

Beijing and its neighbors have pledged to intensify efforts in cutting air pollution to meet the target of lowering the average annual PM2.5 density in the region to about 60 micrograms per cubic meter this year. Beijing plans to invest 18 billion yuan (US$2.6 billion) in air pollution treatment this …

Reports: Beijing sets new goal to slash coal use 30 per cent this year

China's war on smog has stepped up another gear with reports suggesting Beijing is planning to cut coal use by a further 30 per cent across the capital this year. The official Xinhua news agency reported over the weekend that the city's mayor, Cai Qi, is to launch a new …

New Delhi gets ready for its anti-pollution action plan, follows Beijing and Paris policy

This is the first time that a graded plan to improve air quality will be enforced in India. It will have a set of fixed measures that will kick in when pollution reaches specific levels. The national capital follows Beijing and Paris with graded action policy for curbs on pollutants …

Assessment of ripple effect and spatial heterogeneity of total losses in the capital of China after a great catastrophe shocks

The total losses caused by natural disaster have spatial heterogeneity due to different economic development level inside the disaster-hit areas. This paper set the scenarios of direct economic loss to introduce the sectors' loss caused by 2008 Wenchuan earthquake into Beijing, utilized Adaptive Regional Input–Output (ARIO) model and Inter-regional ripple …

Persistent sulfate formation from London Fog to Chinese haze

Exceedingly high levels of fine particulate matter (PM) occur frequently in China, but the mechanism of severe haze formation remains unclear. From atmospheric measurements in two Chinese megacities and laboratory experiments, we show that the oxidation of SO2 by NO2 occurs efficiently in aqueous media under two polluted conditions: first, …

Beijing to have world's biggest air purifier to fight smog

China will deploy world's largest outdoor air purifier designed by a Dutch engineer in its smog- hit capital Beijing, as the thick heavily-polluted haze returned to haunt the city, driving people indoors. The seven-meter-tall tower, brainchild of Dutch designer Daan Roosegaarde, is undergoing last-minute checks in Beijing's 751 D Park …

Avian influenza A (H7N9) and (H5N1) infections among poultry and swine workers and the general population in Beijing, China, 2013–2015

Although several studies have reported seroprevalences of antibody against avian influenza A(H7N9) virus among poultry workers in southern China, results have varied and data in northern China are scarce. To understand risks of H7N9 and H5N1 virus infections in northern China, a serological cohort study was conducted. Poultry workers, swine …

Multi-model evaluation of short-lived pollutant distributions over east Asia during summer 2008

The ability of seven state-of-the-art chemistry–aerosol models to reproduce distributions of tropospheric ozone and its precursors, as well as aerosols over eastern Asia in summer 2008, is evaluated. The study focuses on the performance of models used to assess impacts of pollutants on climate and air quality as part of …

Beijing dominates China's pollution list

On the whole, nationwide air quality has improved, said Luo yi, director general of environment minister Air quality tied to lung problems in children Pollution woes of Beijing and several other Chinese cities continued as they remained in the worst air quality list in China. Beijing and its neighbouring Hebei …

Primary and secondary aerosols in Beijing in winter: sources, variations and processes

Winter has the worst air pollution of the year in the megacity of Beijing. Despite extensive winter studies in recent years, our knowledge of the sources, formation mechanisms and evolution of aerosol particles is not complete. Here we have a comprehensive characterization of the sources, variations and processes of submicron …

Beijing v belching chimneys

Something has been amiss recently in the city of Tangshan, the source of about one-tenth of China’s steel output and (literally) eye-watering levels of pollution. Through much of May and June, no smoke billowed out of the mills near the railway station, two hours east of Beijing. In the sidings, …

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