Europe cities get cleaner air as lockdown continues
ফিনান্সিয়াল এক্সপ্রেস
প্রকাশিত: ৩০ মার্চ ২০২০, ১২:০২
Air pollution has decreased in urban areas across Europe during lockdowns to combat the coronavirus, new satellite images showed on Monday, but campaigners warned city-dwellers were still more vulnera...