vis-c-vis the atlantic ocean, first to the islands and then to iceland and greenland and finally by the year 1000, lake erickson to the shores of north america. so that's the usual picture we have of the viking age and the age that we have these extraordinary warriors and adventurers is the one that we tend to get in our television series and novels and other sources.and they kind of look like this. you don't mind playing the first slide, i'd appreciate. they tend to have an appearance rather like you got the top? there we go. these are warriors from a chess set, medieval chestset discovered on the isle of lewis . probably made some time in the 15th century, little bit after the height of the 18th. but the figures there you see in this ivory chest set, i didn't even know by the way thanks to dna evidence was made from ivory tusks from greenland. from the viking settlement there. but we see that figure there, as the warrior biting his shield. he's usually end up a fight as being a deserter, the kind of extraordinary ferocious warriors who came into prominence in norse legend. they were r

when it first went to get was mentioned in 80 the west coast of greenland but had not been accessible. the ice was too thick and they tried to walk out they all died. now 40 years later cruise ships go up into that area. and then in this south in antarctica the species who had been living there for 5000 years have been supported by both species of penguins slurs of bones and stuff like that you can carbon date to get an idea of which species for the last 5000 years we've been there. these are visible changes. we had a lot less kelp burning kelp coverage is really, really diminished in southern california. okay that's fine the whole ecosystem but certainly massively overstretched remember their heat waves in the ocean also. these are all in the ocean are getting stressed during these heat. these people live on land they've never been to see. i went swimming two days ago in the ocean it was great after this interview i'm going again. it's great for swimming. >> anyone who lives in san diego knows the beaches have been warmer as of late. samantha, just tell me you detailed so many disast

precious approaching. some big patterns here, big peaks and troughs, you can see a peak going over greenland there, trough in the north atlantic, then peaking again across western parts of europe. and when we see this sort of pattern, that gives us an indication there'll be a lot of mixing in the atmosphere between the northern and southern climes — so pulses of cooler air pushed up ahead, then back to cooler air again. lots of low pressures forming in the north atlantic as a result of these temperature contrasts as well, and towards the end of the week it looks like it will turn a little bit colder. so let's summarise what the next few days will look like — bouts of heavy rain particularly across western areas with low pressures approaching, that also means gale force winds, but we will also see a lot of mild air, very mild air, in fact, pressures approaching, that also means gale force winds, but we will also see a lot of mild air, very mild air, in fact, streaming in from the azores. now this is the weather map for monday — and a big low—pressure with winds blowing around it like

on a typical aurora viewing evening, we would see that across iceland, into greenland, into canada as well. but with this particular event, you can see the outer fringes of that aurora viewing potential as far south as raleigh, all the way to denver, and portions of northern california with shades of green being the most common colors brilliantly displayed across the sky. >> all right. thanks so much, appreciate it, derek van dam. >>> the atlanta braves are just one win away from their first world series championship since 1995. >> slow roller. freeman. to the bag. braves win another! >> so they came from behind last night to beat the houston astros 3-2 and take a commanding 3-1 game lead in the series. and former president donald trump was among the 40,000-plus fans at the game in atlanta, and he even joined the fans in giving the home team's controversial tomahawk chop. months ago you may remember trump called for a boycott of baseball after the league moved the all-star game out of atlanta over georgia's restrictive voting laws. game five is tonight in atlanta. >>> that wraps this

the jet stream first — some big patterns here, big peaks and troughs, you can see a peak going over greenland there, trough in the north atlantic, then peaking again across western parts of europe. and when we see this sort of pattern, that gives us an indication there'll be a lot of mixing in the atmosphere between the northern and southern climes — so pulses of cooler air pushed up ahead, then back to cooler air again. lots of low pressures forming in the north atlantic as a result of these temperature contrasts as well, and towards the end of the week it looks like it will turn a little bit colder. so let's summarise what the next few days will look like — bouts of heavy rain particularly across western areas with low pressures approaching, that also means gale force winds, but we will also see a lot of mild air, very mild air, in fact, streaming in from the azores. now this is the weather map for monday — and a big low pressure with winds blowing around it like so, that low pressure is also scooping up that mild air from the south. see, the mild south—westerlies here. so outbreaks

yet since paris, it has rained for the first time on greenland summit. the amount of c02 in the atmosphere has reached record levels. heat waves have scorched countries around the world. droughts, storms, forest fires and floods have all become more intense, more recurrent and more intense, more recurrent and more commonplace. and sea levels are rising threatening small island states and bigger countries alike. we have the science and resources and the urgency, what then is holding us back? my dearfriends, only one variable remains and it is us. we have to make the choice to address this. we have to choose but necessary actions. we have to listen to the science and increasingly the global population who are demanding action. my dear, dearfriends, we have run out of excuses. it is time to do the right thing. in the words of frankie the dinosaur who addressed the general assembly, let us not choose extinction let's work together as one global family and use the capacities... you together as one global family and use the capacities. . ._ use the capacities.

researchers looking for gemstones in greenland discovered, surprise, locked in one of them a pure form of carbon that they believe may be the remains of ancient microbial life. >> mind blowing. >>> profits over people. that's the bottom line from a trochl of leaked documents that showed facebook maximized engagement at all costs and delaying efforts to fight misinformation and radicalization. >> thousands of documents pulling back the curtain on the company's role kindling the capitol insurrection, in flaming violence overseas, while doing little to nothing to stop it. ignoring employee concerns about human trafficking, possibly misleading its own oversight board and so much more. >> any parent, anyone that's interested in our democracy, no matter what party they're part of, you start to see the harm. you start to see the injury. you start to see the fact that they are putting profit, and that is based on polarized and algorithms that promote polarized speech and angry speech, they put that ahead of this nation. that's a fact. >> you can expect to see additional documents reported out

taking the scene i can route in cooler waters, our friends in iceland and greenland may see impacts associated with it as the system arrives late next week. here's what's happening around the united states. warmt warmth developing into portions of the great lakes region. almost summer like warmth in place. chicago climbing up to 80 degrees in places such as new york city middle 70s and around the nation we look, we have one of our cooler spots, atlanta thanks to the rainfall. highs of 70 degrees. isa? >> thanks very much, pedram. here in london, too. >>> now, the director of the u.s. national institutes of health is reportedly planning to step down. according to the "washington post" and politico, dr. francis collins will announce he is leaving the job later today he has been at the forefront of the u.s. pandemic response. while his resignation comes as the u.s. is facing a new battle against covid-19, that is preventing a holiday surge. new cases in hospital admissions are declining. they say that could reverse if americans get too complacent. the death toll should be a sobering reminder of j