Oxygen (Watty Awards 2013)

After too many trees have been cut down, too many factories built, the world is in utter need of saving. Less and less oxygen is being produced everyday and everything is in utter chaos. Lia Wember doesn't give it much thought. Three months ago her mother was brutally murdered, and they left her a note. But what she doesn't expect is her dad showing up after being gone since she was two, and telling Lia and her best friend Dylan that the oxygen problems aren't from the trees...