This comes from the following article at which you can read more.
It looks from the article that the system will be cut quickly.
And also from the little article in Time magazine last year.
But it's not clear how much mail you're going to get from the article.
The need for more protection is obvious from the article.
This is pretty damned far off point from the article but whatever.
Here's a graphic from the first article that might help.
Where available, information was added from published articles and books.
And then she read out excerpts from an article in the Times.
Use details from the article to help you write your description.