www.ted.com is a very efficient web site for those who want to learn English and improve listening skils, every video in ted has many subtitles and interactive transcript which means you just can read it all, if you dont want to watch the video (these features may not apply for those videos which are uploaded by users or third party) have fun.
sample video : http://www.ted.com/talks/sheikha_al_mayassa_globalizing_the_local_localizing_the_global.html
sample video : http://www.ted.com/talks/sheikha_al_mayassa_globalizing_the_local_localizing_the_global.html