A good method for increasing your listening ability is watching cartoons, as unlike news or talk shows, cartoons contain lots of visual cues that will allow you to guess the meaning of various words.
For beginners to Chinese, Doraemon (多啦A夢/機器貓) is a good choice as each episode is only 5 or 6 minutes long – you might even find that this is a long time when you have no idea what you are listening to!
Once your ability increases, you can start to pick out programmes that are of interest, but start with the simple ones.
Lots of Chinese cartoons and Chinese-dubbed Japanese cartoons can be found on sites like Tudou:
Which cartoons/programmes do you find useful for learning chinese?