Usage of "air pollution"

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catalán

Introduction of particulates, biological molecules, or other harmful materials into the Earth's atmosphere.

Uso de air pollution en inglés

During that time, local air pollution levels regularly breached EU legal limits. 
 BBC 

In many metropolitan areas, traffic is the main source of air pollution. 
 Pubmed 

Exposure to fine-particle air pollution was not, however, linked with the risk. 
 Reuters 

The regulations are aimed at improving human health by reducing air pollution. 
 Reuters 

London breached its annual air pollution limits just five days into 2017. 
 The Guardian 

The differences in air pollution effects were tested by a case-only approach. 
 Pubmed 

There is a health agenda too, which overlaps with transport-related air pollution. 
 The Guardian 

The risk associated with air pollution should be considered in context, i.e. 
 Reuters 

But in China air pollution deaths have roughly stabilised on 2005 figures. 
 The Guardian 

Health risks from air pollution are not uniform, as Earthwatch has noted. 
 The Irish Times 

The fuels contribute to air pollution as well as to climate change. 
 The Guardian 

Walker has helped roll back federal air pollution limits in the area. 
 The Guardian 

Background: Heat waves and air pollution are both associated with increased mortality. 
 Pubmed 

Before you celebrate, it's not exactly the air pollution standards we want. 
 The South African 

He accepted that there would be benefits in helping reduce air pollution. 
 Radio NZ 

Did you know they produce toxic air pollution when you bought it? 
 The Guardian 

Significados de air pollution en inglés