Mild and sunny weather continues in Chicago, but smoke and a nearby front may influence temperatures and bring scattered storms later in the week.

Everything looks relatively normal out there. But it’s not. The Illinois EPA reported Thursday that the Chicago area’s air ...

Editorial written by Chicago Tribune Board. This week as temperatures finally reached acceptable June levels, Chicagoans prepared to step outside — onto patios and rooftops, into a park or along our ...

A pioneering 18-month environmental initiative has been launched to tackle rising air pollution in Lagos and Port Harcourt, ...

This week as temperatures finally reached acceptable June levels, Chicagoans prepared to step outside — onto patios and rooftops, into a park or along our gorgeous lakefront.