and john sutter joins us live from paris with more. historic and an ambitious climate change deal. what more are the world leaders saying about this and how tough was it to get to this point? >> reporter: so, i really do think we saw history made over the weekend, and the mastatemen that have been coming out from world leaders, china and india, the biggest polluters in the world are saying this is a turning point that could mark the start of the end of the era of fossil fuels. we'll have to be off of fossil fuels or carbon neutral between about 2050 and 2080. think about what the world would have to look like to meet that goal. we would not be using the same energy sources. we need to move rapidly toward greener energies, and as others have been saying, invest billions of dollars in new technologies. i think this is a water shed moment. 196 countries came together to say we need to do something to tackle global warming. it's in our interest as well as in the collective interest of the world. the question is whether these countries will

tonight we imagine the plight, the islanders could join a flood of climate refugees as john sutter foundut. ♪ >> reporter: this is a country way out in the pacific. it's already super tiny, and it's about to get smaller. why is that? the country is sinking. or the ocean is rising, depending on how you look at it. way out here, there's no room for debate. climate change is real, and people see it happening now. >> we were in the house when the water came in. >> when i looked out the window, wow. i was so scared. i was just looking for my children to get out. >> there was water, all of it, that i sleep on. it was kind of like a dream, but it was real. >> reporter: on my visit to the islands, everybody had a story to tell about disappearing beaches and frequent flooding. the islands barely peek out. if the waters rise, this country will vanish. how do you process that, and where would you go if climate change wiped your country off the map in there's a surprising answer. arkansas, spring dale. >> northwest arkansas that has largest number of us in the united states. >> reporter: since the 1

. >> john sutter was at that conference and now joins us live from paris. you with us. so we were together yesterday to witness that moment where this accord was ratified, a moment of consensus. but now, these world leaders have to take the deal back to their respective countries and try to sell it. >> reporter: yeah. essentially for the deal to go into effect, you need 55 countries and about 55% of the global emissions. you need to have those countries ratify this on the national level. that happens differently in different countries. they're hoping this can be an executive order as opposed to something that goes through congress because there are a lot of members of congress who would be opposed to this agreement and who express doubt about climates science in general even though the science is fairly sound. that will be interesting. the real question is, how do nations around the world actually carry the ambition of this agreement forward and enact policies that get to us these targets. this treaty essentially sets the goal of limiting warming to 2 degre

john sutter joining us with the live report. we appreciate it.any thavpg thanks. >> the cop 21 summit has protesters. but brand alism found a way around it. they posted fake ads around paris. the spokesperson says they're targeting sponsors of the group which the group thinks are part of the climate change problem. some of the ads also feature heads of state. >>> next, people in alaska's capital react to the death of their newly elected mayor. first, wednesday is international day for the abolition of slavery. we have been asking you to stop modern day slavery. many of you have made your pledges to fight slavery. here are a few of the pledges we've received. >> i'm joining cnn's campaign to end modern day savory. i pledge -- >> i pledge. >> i pledge to look for and follow leads about slavery in my stories. ♪ we've got to keep this dream alive ♪ >> i am happy to partner with cnn fly to freedom campaign in an effort to adopt the freedom seal and to end forced labor. ♪ you and me, we were going to be the heros ♪ >> i will ask any government represen

john sutter, cnn, coppin hakken. >> up next on cnn newsroom, the many controversys surrounding the trumpown for the time being. we'll have a look at how it affected his poll numbers. >> that story just ahead. >>> welcome back. u.s. presidential candidate hillary clinton has regained a dominant lead in the democratic field. she is now 28 points among her head excepter bernie sanders. it has become a focal point in the upcoming elections. >>> donald trump has a lead in his own republican field. >> that does not pre vent forecasters from interrupting his rally in north carolina ten times friday night. protesters waved signs and chanted black lives matter throughout trump's speech, eventually getting on his nerves. dana bash report, the controversy surrounding the trump campaign has not slowed it down. >> my life has been about winning. >> reporter: donald trump is winning, big time, 20 points ahead of the rest of the gop's pack according to rnc new national poll and he leads by massive margins on how he's handled issues across the board. most trusted by republican primary voters on the econ

oc: "john sutter, cnn, copenhagen."scientists say that a global temperature rise of just two degrees celsius risks catastrophic damage to our planet.we're already half way to that point.and while the world is slow to change its ways... at least one country is already forging its reports.3 3 3 after the break on siouxland news at sunrise...the university of houston is investigating an incident after a fan was beaten by a security guard.we'll show you why police officers weren't on the field. 3 3 look for partly cloudy skies and mild temperatates close to 50 today.y.clouds will begin to move in overnight bringing the possibility for a slight chance of light rain and sprinkles around midday tomorrow with highs in the 50's.temperatures will continue to rise into the mid 50's mid week until a small system arrives during the weekend.this small system looks dry for now, but mostly cloudy skies and slightly cooler temperatures will 3 a celebration at the university of houston turned violent saturday night. the cougars had just

john sutter in paris, thank you so much. talk to you soon. >> thank you. >>> india stepped up rescue efforts in the city where massive floods left thousands stranded. the government has rescued about 28,000 people. floodwaters are receding and emergency officials say power has been restored to more than 90% of the city. we're joined with a reporter in india. millions of people are desperate for relief. how is the national disaster response going? >> reporter: it's been almost a week now, lynda. the focus has shifted to relief and rehabilitation. we're talking about a massive area, four districts, 17,000 square kill mommers. the size of a small european nation. you have the army, the navy, the air force, the national disaster relief teams and bureaucrats and civilians are involved. basically, the most low-lying areas, they say that most people have been rescued. 120,000 people already evacuated and rescued. there could be many more stranded. that's what they're looking for. we see the pick sturs of all those people on top of

john unsettleder in paris. thank you very much. -- sutter in paris. thank you very much.in with you as soon as we hear from the french foreign minister. >>> elsewhere in the city of light, a message for climate negotiators and the world. the eiffel tower emblazoned with emergencies like no plan b and 1.5 degrees, referring to efforts to keep the planet from warming by 1.5 degrees celsius, below the danger zone. >>> we're keeping an eye on the crucial climate talks. stay with us. we'll bring you more as we get them. first, a short break. >>> now the u.s. is keeping a close eye on how terrorists are getting their weapons. our jim sciutto got exclusive access to america's own rocket program. and he saw the collection of dangerous foreign weapons at a stash they say might come in handy as they try to stay a step ahead of isis. >> reporter: a passenger plane headed from the netherlands to malaysia suddenly falls from the sky. malaysia airlines flight mh-17 brought down near the ukraine/russia border by russian-backed rebels. using this surface-to-air missile system known as th