Readers Respond: Which environmental issue are you most concerned about?

Audubon Magazine's readers respond to the question: Which Environmental issue are you most concerned about?

On Tuesday, @Audubonmagazine posted the question on Twitter and Facebook. If you're not a fan of Facebook or not following us on Twitter, make sure you sign up and join in on the conversation!

Here's what our Facebook friends had to say:

And our Twitter friends: