They said the same thing in the Gulf of Mexico when the drilling rigs started decades ago, aside from last year the Mississippi dead zone from fertilizer runoff has done more damage there than all the drilling there combined.
When an organization like this that relies on donations for most of its operating funds it has to scream at every single thing just to appear that it is relevant and worthy of a check each year.
I was thinking about the same thing. As polluted as Cairo is you can just imagine what's at the bottom of the Nile delta.