For cities around the world they said goodbye to 2017. Millions braved subzero temperatures in times square where the real feel was minus 10 degrees. In costa rica. And kim jongun. And we look back at the early stages. Hello we begin right now. Great being with you on this new years eve morning. Record cold temperatures in many cities across the United States helped to ring in the new year. Revellers real feel good temperatures below 7 degrees. Many with a burst of con fet owe and fireworks as the crystal ball dropped 70 feet in times square. As the temperature continued to drop by the hour reaching 0 just before midnight. Took the plunge early. North korea on the stretch of th. Arrested more than 100 people with suspended links to isis militants. Double the number of officers of last year when attacker killed dozens at a night clib. In germany stricter security after women were groped and robbed. Im not scared. I think the thing is fear that scares people. And you cant let that ruin your life. After or attacks this year in london, Authorities Say there is no specific threats but urging revellers to support any s suspicious activity. I want lon derredoners to be eyes and ears of police. Now coming to a close cascade of lights. And in japan a celebration of new beginnings and letting go. Gabe gutierrez nbc news. Well, it is a new year, so that means it is day one for many of your 2018 resolutions according to a poll top resolution of 2018 is tie between being a better person and losing weight. While new years resolutions only about 44 of americans were creating goals tore 2018. Popular resolutions enjoying life to the fullest, breaking bad habits like smoking or drinking and spending less money to save money. Buzz feed compiled a list with resolutions to unfollow toxic people on social media, also look at your phone less. Only apologize when you mean it and try to do more what you love in 2018. Developing this morning, we are learning five members of a new york family are among 12 dead when a charter plane crashed in cota rica. Ten americans and two local crew members on that flight all perished when it went down crashed into a Mountain Area near pacific coast, a possible tourist desz continue nation. Showing burning wreckage of the planes in the woods. Say the crew experienced pilot cota rica said the charter was headed for san jose when it went down. The cause under investigation. As tensions between north korea continue to escalate kim jongun says the United States should be aware Country Nuclear forces are knew a reality. During and youll new years day address they said the button to launch Nuclear Weapons is on his desk, and that the u. S. Mainland is within striking range. Nbc joins us love from seoul with more. Kelly, good morning. Happy knew year. Reporter yeah, warning to the u. S. , and an olive branch extended to the south koreans. Kim jongun speaking and never once mentioning President Trump. He did say that the u. S. Cannot declare war on us. He said the whole mainland is within our firing range. And the Nuclear Missile button is right on my desk. He said this is not a threat but a reality. Of course no way to verify those claims of a nuclear arson sol in north korea but the country has carried out 15 missile stess and strongest test back in september. But perhaps thes most surprising thing from the speech is overture to south korea. Kim jongun mentioning the olympics taking place next month just 50 miles south of the demilitarized zone. Hes willing to send a team from north korea, a pair of ice skaters who have qualified. And that its time for north korea and the south to sit down and talk about their future. This morning, frances from the president ial spokesperson here in south korea, this statement he said, we welcome the proposal to sit down with the north korean. Kelly, thank you. In iran protesters demonstrated against the government for fourth day on sunday. Two People Killed in rally western iran. Inial tweet trump cheered on the protesters saying iran as number one terror state. Now firing back. Matt, good morning. Reporter good morning, phillip. No signs of further protests today. And still waiting to see whether these four days of protests that you mention over the weekend will continue into a fifth day and into this new year. In iran, the regime strikes back. After four days of antigovernment protests and finally getting wise, iran president hassan broke his silence. He defended right to protest, but took a swipe at President Trump. This man in america who is sym pa sizing with us today forgotten he called them terrorists months ago. He has no right to sympathize with the iranians. The unrest now deadly. Officials calling the deaths on foreign agents. Warned that protesters cause disorder will pay the price. Iranian Security Forces are confronting protesters in the streets, organizing pro government counter protest, and shutting down social media apps like instagram popular in iran. They say President Trump tweets wont help ironians. His nasty things he said about iranian these have not earned him great deal of goodwill in iran. But this movement has taken on a life on their own, which started thursday with soaring prices and unemployment has widened into nationwide demonstrations, the largest since 2009. Some activist even chanting against the Supreme Leader. A dangerous move in a country where they are clerics with history of crushing dissent. Its unclear whether president speech yesterday will calm those protesters. But it was those calls to remove ayatollah, thats Supreme Leader higher than the president , thats what really sets these demonstrations part from previous protests in iran. And that public attack on irans clerical class, its religious leadership that will make iran a country to watch in 2018. Phillip. Thank you so much for covering that. Check out this scene bone chilling temperatures from the northern causes parts of niagra falls to twreez over. Some locals predict if the frigid temperatures control the water falls completely frees over, look at t stunning but i cant imagine what that feels like. What a sight. I dont know if its worth it. Like the people going down to times square, crazy. Lets go over to meteorologist Michelle Grossman with more on the freezing temperatures. Yeah, freezing for a couple more days. But a little bit of hope in sight. But today looking at temperatures well below normal. Some spots 30 degrees below normal. Look at this map. Its so amazing to see these warnings and advisories, you dont see this often. East of the rockies we are freezing. Over 115 Million People impacted. Wind chills from 15 below zero to 50 below zero. Hard to imagine that. Waking up to temperatures that are arctic once again and see that for a few are freeszing too. Not used to this 32 degrees in dallas. Warmer in tucson 78 degrees. Wouldnt it be nice to be there. Sunshine. The pool. We can only imagine what thats like. Thank you, michelle. Youre welcome. We have amazing video out of wyoming when a heard of elk fell through, a dozen strandsed had to use ropes, cut through that i. C. E ice and bring the animal to safety. More than 20 people took part in that rescue effort. Still ahead take you around the globe to show you how the world range in 2018 and some of the most memorable moments for the year that was. Keep it right here. Fred would do anything for his daughter. Get in, fred even if it means being the back half of a unicorn. Fear not fred, the front half washed his shirt with gain flings and that smell puts the giddy in giddy up. Thats because one gain flings pac has more freshness than a whole bottle of the other guy. Gain. 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Some new years eve celebrations around the globe, magical place on earth, tinker bell range in 2018 with fairy dust. There she is. 2017 was turbulent full of major news stories marked by conflict and wave of natural disasters pulling together. Takes a look back at the year that was. I, donald trump, do solemnly swear. It has been a year through challenges, conflict, and incredible lost. People screaming and crying. 22 killed at a concert in manchester, england, 58 gunned down during a slaughter in las vegas. 8 people rundown by a self proclaimed terrorist along a new york city bike path. More than 300 ambushed inside an egyptian mosque. 26 murdered inside a small town texas church. What can you do though . Not much but pray and cry and hope. Reporter hope and hard work is what carried houston through historic flooding. I told my wife lets start parking and get whatever we can take and get out of here. Reporter millions left homeless by mother nature. Wildfires in california, the deadliest in the states history. A 7. 1 magnitude earthquake in mexico city. And so many hurricanes like puerto rico still struggling. This will not happen overnight. Reporter the political storm. Zero chaos. We are running this is a fine tuned machine. Reporter continues to rage in washington. I have never seen anything like this. Reporter an administration dealing with investigation by special Counsel Robert Mueller after the president fired fbi director james comey. Former security adviser Michael Flynn admitting he lied to the fbi. While issues like north korea, tax reform, immigration p are often over shadowed by online swipes and rants, partisan range kerr and personal attacks from both sides of the aisle. Anger and resentment are underpinning our national conversation. Reporter that anger spilling over. Republican congressman and staffers attacked while practicing for a Charity Baseball game. Divided protests across the country fights over confederate statues, marches turning violent. And deadly in charlottesville. The lights of access hollywood ha hollywood have never been brighter, Sexual Conduct and congressman from decades of abuse giving voice to victims sharing their pain and anger, many online, using the hashtag, me too on social media. Questions of equality and racial profiling from police spilled on to the Playing Field in the nfl athletes standing up by taking a knee. Still, there have been signs of unity this year, congressman steve ska last back on capitol hill. You have no idea how great this feels to be back here at work in the peoples house. [ cheers and applause ] reporter millions pausing together. This is the most amazing thing ive ever seen. Reporter to watch the shadow of the moon race from coast to coast during the great eclipse. 2017 has been the world wind, some might even say the sir kiss, after 146 years, the greatest circus on earth lowered curtains for the last time. Now as a curve main rises on a new year, many hope it will bring with it a new sense of optimism and unity. Jay gray, nbc news. Well, here we are on the first day of 2018, and certainly a big day ahead, in politics and football. Plus at this very minute recollection rageal marijuana is legal in california. Well have much more ahead on early today. Olay regenerist hydrates skin better than creams costing over 100, 200, and even 400. For skin that looks younger than it should. Fact check this ad in good housekeeping. Olay regenerist. Ageless. Now try olay hydrating eye hydrates better than 1 prestige eye cream. This is charlie not coughing because he took delsym. This is charlie not coughing while not to waking zeus. 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From political storms to actual ones, hurricanes, wildfires, earthquakes and more, never a dull moment in the news. And with that our nbc crew went out to closed 2017 by asking americans what story hs the biggest impact on them this year. Heres what they had to say. The story from 2017 affected me the most. All the storms that happened. Being from houston we were affected pretty badly. Puerto rico, seeing my family, and thank god they are okay. The shooting in las vegas. We have an active shooter inside the grounds. Friend that attended the concert and really sad time. Honestly, its been really incredible and inspiring to hear all of these heros that have stepped up and really showed love to strangers in need through all these tragedies. Raise your hand. The story that affected me most in 2017 was definitely the me too movement. We are here. We will not go away. This movement shines a light on how many people this effects and how many people are going through the same situation that i am. The only news story anyone would say is donald trump. Trump. Trump. Trump deeply affected a lot of people how they think about the world and u. S. , and i think even themselves. Well, i think that the arie a concert stood out for me the most because i was actually going to go for my birthday. Isis, men out there right now. The nfl protests. Because of that i have had a lot more free time since i stopped watching envelope games. Prince harry getting engaged because our bachelor prince is no longer a bachelor. Eclipse was a great kind of thing that brought the country together for a little bit. It was unbelievable. Kind of made you feel how small we are but connected we are at the same time. I want to say as a universal message, love out shines hate, seriously. We need to start loving each other. True words never been spoken. Yeah, what a year for better or worse as we see. Amazing when you see it all like that. Yeah, so many things, oh, yeah, that happened. Full of surprises this year. All right. Well thank you so much for starting your knew year with me. Im phillip mena. Im frances rivera. Thanks for joining us. Have a great start to the new year. From the cross roads of the world to the seat of power were going to have a great year. Going to be a fantastic 2018. We are off to a great start with the tax cuts, anwr and the individual mandate, which was very, very unpopular. President trump offering an optimistic view at a new years Eve Black Tie Party in maralago. Kim jongun threatens the u. S. With a button at his fingers tip