Mercury in the gaseous state is emitted into the atmosphere naturally, but also and above all by human activities. Human activities have caused its concentration in the atmosphere to jump by 450% in five centuries.

Mercury can travel around the planet in a few months. It will be deposited on the ground or in the oceans where part of it is then converted into methylmercury (MeHg), its most… This article is reserved for subscribers. You have 85% left to discover. Flash sale -70% on digital subscription I ENJOY IT Already subscribed? Log in.