美國航太總署的衛星圖可以看出，今年大氣中的二氧化氮濃度有所降低。這種現象正好出現在中國工廠運作前所未有地減緩的時刻。（圖取自NASA網頁earthobservatory.nasa.gov）（中央社倫敦29日綜合外電報導）美國國家航空暨太空總署（NASA）表示，衛星影像顯示中國上空的空氣汙染大幅降低，「至少有部分」是因為新型冠狀病毒疫情導致經濟活動放緩。英國廣播公司（BBC）報導，從美國航太總署的衛

The coronavirus pandemic is shutting down industrial activity and temporarily slashing air pollution levels around the world, satellite imagery from the European Space Agency shows. One expert said th

(CNN)Satellite images released by NASA and the European Space Agency reveal that air pollution over China has gone down since the coronavirus outbreak. Production in many factories has been halted and

(CNN) — As the world continues to grapple with coronavirus, the pandemic is having some unexpected side effects.Take Venice, one of Italy's biggest tourist attractions, which is usually heaving with v