Fires and agricultural soils can rival cars and factories in emitting chemicals that lead to ozone, making it hard to meet air quality standards.

And when the city’s notorious fog, “light mist,” and windchill start to wear you down, just turn to one of these bars or ...

London's Heathrow Airport says it plans to resume some flights later Friday and hopes to return to a full schedule on ...

Flights to and from London’s Heathrow Airport were canceled Friday after a fire at a nearby substation knocked out power to ...