(VOVWORLD) - Owners of motorbikes in Hanoi can get free emission evaluation until the end of this month. This is part of the city's plan to improve air quality
(VOVWORLD) - Russian Deputy Foreign Minister Sergei Ryabkov on Tuesday proposed a deadline for the US to confirm its stance on the Open Sky Treaty
(VOVWORLD) - US President Donald Trump on Thursday announced that the US will exit the Open Skies Treaty because of repeated Russian violations