Abstract Ground-level ozone (O 3), fine particles (PM 2.5), and nitrogen dioxide (NO 2) are
the most harmful urban air pollutants regarding human health effects. Here, we aimed at …

This paper provides a comprehensive overview of the physical properties and applications
of natural gas (NG) and hydrogen as fuels in internal combustion (IC) engines. The paper …

Wildfires are thought to be increasing in severity and frequency as a result of climate
change,,,–. Air pollution from landscape fires can negatively affect human health,–, but …

Lockdown measures came into force in Spain from March 14th, two weeks after the start of
the SARS-CoV-2 epidemic, to reduce the epidemic curve. Our study aims to describe …

The effect of lockdown due to coronavirus disease (COVID-19) pandemic on air pollution in
four Southern European cities (Nice, Rome, Valencia and Turin) and Wuhan (China) was …

East Asia is a hotspot of surface ozone (O3) pollution, which hinders crop growth and
reduces yields. Here, we assess the relative yield loss in rice, wheat and maize due to O3 by …

Amid the COVID-19 pandemic, a nationwide lockdown is imposed in India initially for three
weeks from 24th March to 14th April 2020 and extended up to 3rd May 2020. Due to the …

Anthropogenic mercury (Hg) emissions have driven marked increases in Arctic Hg levels,
which are now being impacted by regional warming, with uncertain ecological …

This global study, which has been coordinated by the World Meteorological Organization
Global Atmospheric Watch (WMO/GAW) programme, aims to understand the behaviour of …

During the COVID‐19 outbreak that took place in early 2020, the economic activities in
China were drastically reduced and accompanied by a strong reduction in the emission of …