Posted
Volunteers from 14 countries around the world have been testing out a pollution backpack, gathering data that experts say suggests air quality levels may be bouncing back as coronavirus lockdowns ease.
02:43
01:38
01:43
01:21
01:59
01:26
02:06
02:15
02:24
01:54
01:24
01:13
04:50
01:46
02:42
00:58
01:36
00:48
00:32
00:34
00:40
01:48
00:53
01:31
00:29
00:57
00:57
00:48
00:50
00:56
01:07
01:42
01:01
00:58
00:45
01:29
01:02
02:44
01:44
01:52
02:58
01:16
02:07
01:22
01:06
00:53
01:03
01:03
01:00
02:43
02:01
00:52
02:09
01:56
01:57
00:33
01:05
01:59
01:11
00:37
01:12
01:22
01:29
01:23
00:59
01:22
01:13
00:41
02:30
00:53
00:51
01:15
01:32
01:09
00:54