UN's Ban: Climate change 'defining issue of our time'
United Nations Secretary-General Ban Ki-moon marches with hundreds of thousands of people in New York for the international day of action on climate change. Rough Cut (no reporter narration).
Pope Francis is greeted by cheering crowds in predominantly Muslim Albania on his first official European visit, before launching his strongest criticism of Islamist militants to date. Vanessa Johnston reports.
10 Incredible Alien Planets
From planets that have the most bling in the Universe to those that shouldn't even exist, find out more in 10 incredible alien planets.
Music= Spheres by Tom Quick
Forget The Beatles and Bob Marley, the real legends of music are Justin Bieber and Katy Perry, at least that's what these 10 disappointing facts about pop music seem to suggest.
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