Is there a way to become lighter
I look very dark from affar
There are several lotions and moisturizers that you can use to become lighter. There are several bleaching agents that you can also. Do not stay on the sun for prolonged hours and buy a skin lightening cream. See http://www.ehow.com/way_5294531_natural-ways-lighter-skin.html.
What is wrong with having dark skin?
embrace your color there is nothing wrong with darker skin ;)