as john hendon reports, one group has come up with new option to his help borrowers get rid of their loans. >> reporter: in his a found a way beat the student low system, by following a piece of simple counter inning thankcounterintuitive advice. >> more expensive schools have more money to give w5eu789 as a strong student from a low income household she qualified for grant at some of the expensive private universities in the u.s. northwestern university as an undergraduate and the university of chicago for graduate school at a cost of nearly $50,000 a year. >> it's like a came back to chicago. >> reporter: now 30 for 32 years old she owes $35,000 but they are deferred while she's earning her ph.d in sociology at the university of illinois in chicago. but her is his a rare story. for many students big loans are the only way they can make it onto a campus like this, once they leave the loans can become crippling. statistically the older they are the harder it is to pay those loans off. increasingly students are paying of on those loans later in the their 30s 40s and even 50s and owing

john hendon, al jazerra palo alto california. >>> now, a chinese company has unveiled one of the mostlistic humanoid robots yet. yang yang impressed visitors at a conference in beijing she's modeled on one of the researchers and is able to blink, smile and shake hands. goners believe the design could be used to replace sales assistants celebrities or even news readers in the future. >>> just a reminders that you can always keep up to date with of the news on our website at aljazerra.com. i'll take you inside the risks and rewards of climate engineering. traditional utilities trying to pull the plug on americans to harness the heat of solar power to save money and the planet. >> this is an example of heading towards sustainability where we

john hendon, al jazerra, palo alto california. >>> and for the latest on some of the stories you havehere today be sure to visits our website that's aljazerra.com. again, aljazerra.com. thanks for your time. keep it here. >>> you'll met the scientists putting faith in amazing technology, intended to turn down the heat on earth. critics say this amounts to hacking the planet. i'll take you inside the risks and rewards of climate engineering. traditional utilities trying to pull the plug on americans to harness the heat of solar power to save money and the planet. >> this is an example of heading towards sustainability where we need it most. if it doesn't work in hawaii, it ain't going to work anywhere.

. >> john hendon is live for us in baltimore.viously those officers have been charged, one of them with second degree murder. and then similar charges for the others. what impact has that had on the police i guess that are still demonstrating in baltimore? >> reporter: barbara that really transformed the mood of what is happening out here. they were riots days ago and now it's really turned to relief. people here are somewhat surprised and happy that whatever the outcome is of those legal cases that someone is going to accountability. there will be six officers who are going to face some kind of justice review over this. it is rare in the united states to see a police officer charged with homicide and rarer even to see a conviction. so today there were marches in the streets thousands of people came to this park out in front of city hall, a site where there have been arrested as recently as last night. that was for violating the curfew and of course there has been rock throwing and all kind of other activity. today what we heard

john hendon, al jazerra, palo alto california. >>> and for the latest on some of the stories you have seen here today be sure to visits our website that's aljazerra.com. again, aljazerra.com. thanks for your time. keep it here. >>> you'll met the scientists putting faith in amazing technology, intended to turn down the heat on earth. critics say this amounts to hacking the planet. i'll take you inside the risks and rewards of climate engineering. traditional utilities trying to pull the plug on americans to harness the heat of solar power to save money and the planet. >> this is an example of heading towards sustainability where we need it most. if it doesn't work in hawaii, it ain't going to work anywhere. i'm ali velshi, and our special fragile planet power struggle starts now. >>> it's a power struggle, how to balance the need to conserve our fragile planet with man's appetite for enemy. carbon-spewing fuels like coal, gas, oil generates and powers cities and engineers cities. all comes at a place. the environmental protection agency estimates a third of greenhouse gas emissions in