home countries like sweden and germany are already meeting or beating targets, their leaders wanted stricker measures. and then there was poland, it threatened to block the deal entirely, unless it included a complex set ovalnesses. must to their domestic energy comes from coal. german chance her explained the compromise friday. countries will have to contribute more, and those who haveless will have to contributeless. it is a bit similar to emerging economies. the countries that are lagging behind in regards to the progress. have to be given the possibility not to reduce quite so much. there is if you like a target zone between zero and 40%, and lit be broken down per capita. >> alongside the enthusiasts there are critics some environmentalists say the plan doesn't go far enough, to security an 80% cut of emissions by 2050. smaller country worry that goaling could have a negative economic impact. a mammoth step towards a cleaner planet. >> there was also a will to convince the united states, china, and other countries that europe could be a reference and if your had not found an agreement,

. >> a moving and powerful reminder of the tragedy that stricker six months ago, here, all the names of the 219 girls still in captivity are on display for everybody to see. but six months since the abductions took place, there is actually little coverage of the story here. one of the reasons is the immediate -- the media houses are worried if they give too much coverage to the girls, it could upset the government. they feel some of the politicians are more concerned about elections. >> i think the government is more concerned about politicses now. that is what they are concerned about. >> many nigerians say that is the case for all politicians. the parents just want their daughters home. will ross, "bbc news," lagos. >> the heartbreak of families there waiting to try and get their daughters home and too little being done to rescue the girls. you are watching "bbc world news america." still to come on tonight ace program, conservative bishops. they push back after signs the vatican my soften its stance on homosexuality. >> demonstrators in mexico have attacked a local government head

attendant union representing nearly 60,000 flight attendants and 19 airlines is joining the call for strickerones. hours ago we got word from health officials, ramped up measures are days away. only the federal agents are on alert for ebola at u.s. airports. u.s. custom and border protection officers already reviewed passengers for signs of illness as they enter the u.s. but new tougher screening measures are expected to be announced any day. >> it is under discussion but likely retaking the temperature and asking additional questions so you have screening both at the exit and the entry. >> passenger are already screen before getting on a plane in west africa. but additional temperature checks in the u.s. could help detect someone who becomes contagious during long trims. >> that 12, 13, 18 hours, however much it is to go through that trip. you start to develop a fever, you would be pick up. >> the new screening procedures are a work in progress. u.s. government sources tell cnn, no changes have happen yet. right now custom officers are supposed to ask about potential exposure. 4,000 u.s. tro