cominginton and vr, soon.umanities, there have been a few projects that have the potential to change the world peoplenge people -- perceive things they would not be able to perceive otherwise. >> derailment, thank you for joining us -- gentlemen, thank you for joining us. vr is the now. give it a try, grab a headset. thank you. [applause] [captions copyright national cable satellite corp. 2015] [captioning performed by the national captioning institute, which is responsible for its caption content and accuracy. visit ncicap.org] announcer: the country is trying to negotiate an agreement for reducing carbon emissions and avoiding an increase in global temperatures. the associated press reports that with just a year left in office, the president wants to leave the world by example on climate change, but he faces congressional opposition that will make it harder for him that the u.s. will honor its promises to cut emissions. security is tight in paris where the police chief says about 100 people were detained aft