politicians will discuss what to do if the central government imposes direct rule counted on leader carlos boozer mars turned down an invitation to speak to senators in madrid those were the headlines are back with more news in thirty minutes to stay with us next. witness documentaries that open your eyes at this time on al-jazeera. the composition of the air we breathe is changing. the source of toxic emissions aboard around us. every year seven million people who die from happening should make it the world's biggest environmental concern and that is the dire effects of global warming driven largely by an increase in greenhouse gases and not respond. in twenty fifty one hundred to ninety five countries find the best comprehensive legally binding pledge to reduce emissions. some countries are currently not following through on the promises but elsewhere the commitment to finding ways to clean the air we breathe remains high. i'm going to robbie and fashion forward a lot with the cement not only looks chic but it also cleans the air and i'm russell bred in iceland the snow one q will play a very green