not only have we acknowledged the problem, we re already seeing first hand the devastation that climate change causes. we will be in bangladesh, where our science editor david shukman will show us the impact of rising sea levels on coastal communities. also in the programme: a new dawn in australia. from monday, fully vaccinated citizens won t need permission to leave the country. this is bbc news. it s newsday. welcome to glasgow, where the long awaited climate summit cop26 is under way. the principal objective of world leaders, prominent scientists, and advisers over the next 12 days will be to secure global commitments to reduce carbon emissions and avoid a climate catastrophe. already today, there s been a taste of the problems ahead. the world s richest nations the g20 met in rome, where leaders were accused of failing to make the commitments needed. the british prime minister boris johnson admitted the pledges were too vague and not enough . the united nations secret
9:30 a.m.ning at eastern, live on c-span two, and later, i look at the use of military force around the world by the united states and the terrorist attacks of september 11, 2001. you can watch that at 12:15, also on c-span2, then, the role of health care providers, part of a report from the robert wood johnson foundation commission to build a healthier america. our live coverage begins over on c-span3. nancy reagan was the first sitting first lady to address the united nations and the first to address the nation in a joint appearance with the president. so to my young friends out there, life can be great, but not when we cannot see it. so open your eyes to live, to see it in the vivid colors that god gave us, as a precious gift to his children, to enjoy life to the fullest, and to make it count. whenes to your life, and it comes to drugs and alcohol, just say no. first lady nancy reagan as our initial series returns monday night live at 9:00 eastern on c-span and c-spa