"green cloud" to move to Moscow from the south-west, consist of a mixture of pollen of several species of trees, rather than chemicals. "High heat, which came to the Moscow region with an intense wind, caused the formation of a large amount of pollen, which, mixing and moving in the air, can form such a cloud," - "Interfax" a source in the executive branch of the Moscow region. According to him, before appearing in the online blogging about supposedly took place at a suburban accident, chemical companies are not confirmed. "No accidents at the enterprises of Moscow there. Yes and No in the southwest region of such ... (full story)