“London” by David Holt, CC BY-SA 2.0
03 April, 2014. South-East, Greater London and parts of Eastern England woke up to a 9 out of 10 air pollution level. Some of the reasons are well-known, others are still a mystery to those who haven’t read the news. The dangerously high levels of smog have been reached thanks to the usual continent pollution, local emissions, light winds and, surprisingly, dust coming all the way from Sahara. Continue reading