Libraries across the city of Dallas have scheduled multiple events to celebrate our planet in observance of Earth Day, commemorated ... área alrededor de Dallas, Texas (Estados Unidos).

The Dallas skyline is seen through a haze of dust ... while a Red Flag warning has been issued for some Central Texas counties.(Shafkat Anowar / Staff Photographer) Windy and dry conditions ...

Visibility plummeted to just 2 miles-similar to a foggy day in the city ... winds continue to carry the dust eastward. The skyline of Dallas, Texas turns gray, then orange between 2 p.m. and ...