BBC Podcasts http://www.bbc.co.uk/podcasts
A huge selection of podcasts on a wide variety of topics.
British Council Learn English Listen and Watch http://learnenglish.britishcouncil.org/en/listen-and-watch
A range of activities to practise general and academic listening skills online or to download as MP3 files.
Voice of America Podcasts http://learningenglish.voanews.com/podcast/0.html
A selection of American English listening resources.
ST. GEORGE International Podcasts http://www.stgeorges.co.uk/blog/tag/podcast
Natural speed, unscripted conversations between native speakers on a range of everyday topics.