Species Extinction from Human Destruction

Argument  research paper for writing 121 .  Need 3 sources and 1 for argument 
My thesis :is: 
  Human Destruction in the fourth coming years including pollution, will soon be the driving factor leading species to extinction.

I need a question  as this is a thesis,  argumentive  research paper. 

  I also  I believe that humans (we) are the cause of the animal extinction
You can use other sources to but at least use a couple of mine. Thank you