Air pollution

Smoke from more than 800 blazes has filled major cities from Toronto and New York, to parts of the US Midwest and Great Lakes.

Wildfires in Ontario have blanketed US and Canadian cities with dangerous smoke.

Cardiff council is proposing a workplace parking levy as its preferred alternative to a congestion charge.

The council's contract expires in March, and it wants to extend it while a new supplier is found.

Some Wigan private-hire taxi drivers say a new rule banning older cars will put them out of business.

A new study suggests estimated deaths linked to toxic air in London fell by about 40% in five years.

Clean Air Bradford says the zone has led to about 732 fewer GP visits for respiratory conditions.