It is also one of the principal components of smog. Ozone levels are generally higher in summer, during hot sunny weather. Concentrations are usually highest in late afternoon. Ozone is a ...

Punjab government has announced closure of all schools in Lahore, Gujranwala, Faisalabad, Multan, Sahiwal, and Sargodha Divisions on Friday and Saturday due to heightened impact of smog. This was ...

The pro-Trump Heartland Institute claims it spearheaded opposition to a flagship European nature law. The pro-Trump Heartland Institute claims it spearheaded opposition to a flagship European nature ...