[ Maglor wonders who he knows who has been hurt, but does not press ]

Aye - they had specialised gear to filter out the poisons. And I do not understand the fine details, but I am given to understand they had... a machine? Which was meant to help make the place livable, but which was breaking down and poisoning the planet instead. You might ask around, there are those with far better knowledge than I who were trying to fix things.