Most develo** countries in the world face the common challenges of reducing air pollution
and advancing the process of sustainable development, especially in China. Air pollution …

Human activities have altered the global nitrogen (N) cycle, elevating rates of atmospheric N
deposition up to tenfold above pre‐industrial levels, with consequences for ecosystem …

Excess atmospheric ammonia (NH 3) leads to deleterious effects on biodiversity,
ecosystems, air quality and health, and it is therefore essential to monitor its budget and …

A Nationwide Nitrogen Deposition Monitoring Network (NNDMN) containing 43 monitoring
sites was established in China to measure gaseous NH 3, NO 2, and HNO 3 and particulate …

Rapid development of agriculture and fossil fuel combustion greatly increased US reactive
nitrogen emissions to the atmosphere in the second half of the 20th century, resulting in …

We use 2009–2011 space-borne methane observations from the Greenhouse Gases
Observing SATellite (GOSAT) to estimate global and North American methane emissions …

We present a national-scale model analysis on the sources and processes of inorganic
nitrogen deposition over China using the GEOS-Chem model at 1/2°× 1/3° horizontal …

Ammonia (NH3), the most prevalent alkaline gas in the atmosphere, plays a significant role
in PM2. 5 formation, atmospheric chemistry, and new particle formation. This paper reviews …

The National Emission Inventory (NEI) of the US Environmental Protection Agency (EPA)
reports a steady decrease of US NOx emissions over the 2005–2017 period at a rate of 0.1 …

The implementation of stringent emission regulations has resulted in the decline of
anthropogenic pollutants including sulfur dioxide (SO 2), nitrogen oxides (NO x), and carbon …