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BBCNEWS Breakfast June 4, 2024 05:51:00

Important caveat? that irreversible change which is an important caveat? irreversible change which is an important caveat? that is one of the most frightening important caveat? that is one of the most frightening things important caveat? that is one of the most frightening things about - important caveat? that is one of the most frightening things about these | most frightening things about these moments. seeing and recognising the moments. seeing and recognising the moment is key. what is fascinating, scientists have looked for a place on earth where you can put the spike into the ground. that point has been found. there has been great discussion because there are multiple sites around the globe and there has been discussion as to where that point in time would be. the beginning of the industrial revolution in the 18th century, whether it is more recent. they have chosen a date from the 1950s, which is a function of what basically humans have left around the globe as a marker and ....

Climate Change , 18th Century , Industrial Revolution , H Bomb ,

BBCNEWS BBC News at Six June 4, 2024 17:20:00

Humans started having a bigger impact on our planet than anything else. so we refer to the anthropocene as the interval of time since the mid 20th century when the great acceleration of human industry, it changed the way the earth behaves. it basically is a tipping point that was reached that altered earth s history forever. some of that core has been sent to southampton university. what s inside these little files doesn t look like much, just a scrape of canadian mud. but each one of these contains material from a particular year. and crucially, one will help to pinpoint the exact moment when the anthropocene began. these sediments can be analyzed. they hold the fingerprints of human activity from the byproducts of fossilfuels, microplastics, and the fallout from nuclear weapons testing. and it s the plutonium from these nuclear tests that s being isolated ....

Tipping Point , Human Industry , Southampton University , Anthropocene Epoch , Human Activity , Nuclear Weapons Testing ,

BBCNEWS Newsday June 4, 2024 22:24:00

They hold the fingerprints of human activity from the byproducts of fossilfuels, microplastics, and the fallout from nuclear weapons testing. and it s the plutonium from these nuclear tests that s being isolated here to determine which year the anthropocene started. we re looking at the plutonium radioactivity in the early 1950s. that was the point when this almost entirely artificial product was globally dispersed. and we pick it up from the early 1950s in sediments all over the globe. the last epoch change happened more than 11,000 years ago. a record is buried in a bog on the isle of wight. this is a really beautiful transition. you see the difference in the colour of sediments. the darker mud belongs to the ice age. the lighter mud is where the warmer holocene epoch began. but there s a major difference compared with what s happening now. these are natural changes here. this is a natural system that drives these changes. what we are doing right ....

Human Activity , Plutonium Radioactivity , Nuclear Weapons Testing , Anthropocene Epoch , Epoch Change , Darker Mud , Isle Of Wight , Holocene Epoch , Lighter Mud , Ice Age ,