An curved arrow pointing right. China's winter smog season is back, and this year has brought worse pollution the country has ever seen. Produced by Emmanuel Ocbazghi Follow BI Video: On Facebook ...

These symptoms often raise the question: Are they caused by winter allergies or pollution? While both conditions can lead to ...

BAKU, Azerbaijan--Cities in Asia and the United States emit the most heat-trapping gas that feeds climate change, with Shanghai the ... carbon dioxide and methane pollution grew 0.7% to 61.2 ...