. >> reporter: mmalawi's corruption, create jobs and turn around the economy is a huge challenge in onepoorest countries in the world. al jazerra, malawi. >>> in india violent clashes on the 30th anniversary of a raid on separatists. groups fought with sword and spears after the leader of one group was prevented from making a speech. 30 years ago a military raid demanded their own state left about a thousand people dead. >>> severe pollution in india's rivers is threatening the health of millions it's a byproduct of their massive growth but also extremely damaging to the economy. in new dea delhi the champion eveningers of cleaning up the water and the benefits that it would bring. >> reporter: the river that flos through new delhi. all kind of waste is thrown in here without getting treated. but it doesn't start out this way. this is the river as it enters the city from the north. it provides people with a livelihood and they also come to enjoy the cool water. he has been documenting it for the past year. he says the river is always clean at this point. >> translator: it's mostly relig