You might want to do some research on that and stop listening to Jane Fonda. The tar sands carbon foot print is negligible.  If you really want to save the planet then you should be lobbying against child birth. 
And the iPhone is clearly NOT the most sophisticated or durable mobile phones. It is in fact one or two steps behind and relies only on its closed system and marketing to stay relevant.  Mobile phones, like TV's before them are a commodity and it is a race to the bottom.