. >> scientists in greenland getting excited about a rock they say could be a key component in stopping climate change. >>> students rising above advisers and scholars work closely together. we are meet ever wonder how san francisco became the greenest big city in america? just ask the employee owners of recology. we built the recycling system from the ground up, helping san francisco become the first city in the country to have a universal recycling and composting program for residents and businesses. but it all starts with you. s ep maka differen toge. >>> welcome back. a live look at wall street on this friday afternoon, dow is up more than 360 points. president biden and former president obama joining forces for the environment. obama's team says he will travel next month for a un summit. he's expected to talk about progress in the last years and highlight leadership of young people. he along with 13 cabinet members and senior officials will be in attendance. >>> miners and investors in greenland excited about rocks they found similar to prop back from apollo missions to the moon. w

in greenland, scientists blasted open a mountain filled with what they call climate-saving rocks. >> the chemistry here is unique. it's in the formation of our world. >> reporter: it's called a northosite. it contains only three minerals. calcium, silica and aluminum. they are crushing it for other items. experts say it produces less waste and greenhouse gas emissions. it is found all around the island's rugged terrain in turquoise fjords. but that's not the only place. >> you find it in canada, scandinavia, russia, south africa, lots of places. >> reporter: so far, miners have collected more than 300 tons. even nasa is looking to see if what they learn down here could help them someday mine similar rocks on the moon. ian lee, cbs news. >>> and that's the overnight news for this monday. for some of you the news continues. for others, check back for cbs mornings. and follow us online any time at cbsnews.com. reporting from the broadcast center in new york city, i'm nikki battiste. >>> this is cbs news flash. i'm elise preston in new york. jury selection in the shooting death of ahmaud

for example, when global, when the ice sheets start to melt, when greenland ice sheet out some window and told us she melts. and we're seeing the start of that white. now, sea level goes up all over the world. i potentially our meters. so by 2050, when you said, wish it completely put the carbon mission to 0 more than half of the world is predicted, population will lack drinking water. oh, how are we going to deal with that? well, science fine away, or are we headed towards water wars? see absolutely right. so we have a lot of stresses on, on the planet right now. a lot of them are caught that all cool smiles will cool for humans, but in different ways. so we look at global warming and that affects things like extreme heat and flash floods. and potentially our ability to quote quotes when we're looking at the availability of water that is impacted by climate change, but also the over use of fresh water on the planet right now. so for example, we are depleting ground water water stored beneath the surface of the planets that take centuries, sometimes thousands of years to build up and

for example, when global, when the ice sheet start to melt, when greenland ice sheet melts, and when the and told us she melts. and we're seeing the stalls of that white now, sea level goes up all over the world. but i'm potentially by mrs. said by 2050 i. when i you said, wish it completely put the carbon mission to 0 more than half of the world is predicted, population will lack drinking water. oh, how are we going to deal with that? well, science fine away, or are we headed towards water wars? see absolutely right. so we have a lot of stresses on, on the planet right now. a lot of them all of the, all course files will quote for humans but in different ways. so we look at global warming and that affects things like extreme heat and flash floods. i'm potentially our ability to grow crops when we're looking at the availability of water that is impacting our climate change, but also the over use of fresh water on the planet right now. so for example, we are depleting ground was a water stored beneath the surface of the planets that take centuries, sometimes thousands of years to buil

. >> in greenland scientists blasted open a mountain filledded with what they call climate-saving rocks. >> the chemistry is unique t is created in the early days of the formation of the world. >> it's called an an orth site, three minimalsk calcium, sillica and alumina. >> minors are krushing it to create a more sustainable aluminum as well as other every day items. >> very good quality for fiberglass. >> experts say and it produces less waste and greenhouse gas emission, found all along the island rugged terrain, but that is not the only place. >> you find it in canada, you find it in scandinavia, russia, south africa, lots of places so far mine errs have cletted more than 300 tons, even nasa is looking to see if what they learn down there could help them some day mine similar rocks on the moon, ian lee, cbs news. >> fascinating, that is the cbs weekend news for this sunday. coming up tonight, 60 min, i'm nicki battiste in new york, have a great nig ht >>> live from the cbsn bay area studios, this is kpix 5 news . >>> we are tracking scattered showers across the bay area this sunday e

me saying there's a greenhouse gas then the greenland i show, which is already melting, the melting of that will accelerate. so it's not that we know how to re tracy arctic, but we know that it's really important that we figure out at least how to slow it's right of melting down the ability stamps me moto, so substantial to miss after years at the image of s, they well, what mood do detect among your students must change an attitude towards these matters. well, the students 10 years ago perhaps, but not even talking about this as a subject student activism, but not about climate change. but right now, great and back as as accelerated student activism and climate, the passion of students talking about climate is palpable. it's great. we've set up the center for climate repair at cambridge and the interest, the student interest in this whole area so amazing we, we just don't have a shortage a toll of students wanting to help doing projects on climate repair. so professor, let's just say you want to glass go next we would you rather be, would you want to be outside the conference, whole g