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Early Climate News
July 30, 2023

Top Headlines

Greenland Melted Recently: High Risk of Sea Level Rise Today

A large portion of Greenland was an ice-free tundra landscape -- perhaps covered by trees and roaming woolly mammoths -- in the recent geologic past (about 416,000 years ago), a new study shows. The results help overturn a previous view that much of the Greenland ice sheet persisted for most of the ...

Crawford Lake, Canada, Chosen as the Primary Marker to Identify the Start of the Anthropocene Epoch

An international team of researchers has chosen the location which best represents the beginnings of what could be a new geological epoch, the Anthropocene. The Anthropocene Working Group have put forward Crawford Lake, in Canada, as a Global ...

Global Cooling Caused Diversity of Species in Orchids, Confirms Study

Research shows global cooling of the climate 10 million years ago led to an explosion of diversity in terrestrial ...

Why There Are No Kangaroos in Bali (and No Tigers in Australia)

Researchers are using a new model to clarify why millions of years ago more animal species from Asia made the leap to the Australian continent than vice versa. The climate in which the species evolved played an important ...
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Extinct Offshore Volcano Could Store Gigatons of Carbon Dioxide

A new study concludes that an extinct volcano off the shore of Portugal could store as much as 1.2-8.6 gigatons of carbon dioxide, the equivalent of ~24-125 years of the country's industrial ...

Ancient Climate Change Solves Mystery of Vanished South African Lakes

New evidence for the presence of ancient lakes in some of the most arid regions of South Africa suggests that Stone Age humans may have been more widespread across the continent than previously ...

Half of World's Largest Lakes Losing Water

Fifty-three percent of the world's largest freshwater lakes are in decline, storing less water than they did three decades ago, according to a new study. The study analyzed satellite ...

Past Climate Change to Blame for Antarctica's Giant Underwater Landslides

Scientists found weak, biologically-rich layers of sediments hundreds of meters beneath the seafloor which crumbled as oceans warmed and ice sheets declined. The landslides were discovered in the ...

'Warm Ice Age' Changed Climate Cycles

大约700000年前,一个温暖的冰河时代的permanently changed the climate cycles on Earth. During this exceptionally warm and moist period, the polar glaciers greatly expanded. A ...

Out of This World Control on Ice Age Cycles

A research team, composed of climatologists and an astronomer, have used an improved computer model to reproduce the cycle of ice ages (glacial periods) 1.6 to 1.2 million years ago. The results show ...

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Great Basin: History of Water Supply in One of the Driest Regions in the USA

An international team has reconstructed the evolution of groundwater in the Great Basin, USA -- one of the driest regions on Earth -- up to 350,000 years into the past with unprecedented accuracy. ...

Human Ancestors Preferred Mosaic Landscapes and High Ecosystem Diversity

A new study finds that early human species adapted to mosaic landscapes and diverse food resources, which would have increased our ancestor's resilience to past shifts in ...

West Antarctic Ice Sheet Retreated Far Inland, Re-Advanced Since Last Ice Age

The West Antarctic Ice Sheet is melting rapidly, raising concerns it could cross a tipping point of irreversible retreat in the next few decades if global temperatures rise 1.5 to 2.0 degrees Celsius ...

Prolonged Droughts Likely Spelled the End for Indus Megacities

New research has found evidence -- locked into an ancient stalagmite from a cave in the Himalayas -- of a series of severe and lengthy droughts which may have upturned the Bronze Age Indus ...

Massive Iceberg Discharges During the Last Ice Age Had No Impact on Nearby Greenland, Raising New Questions About Climate Dynamics

New findings suggest that Heinrich Events had no discernible impact on temperatures in Greenland, which could have repercussions for scientists' understanding of past climate ...

Puerto Rico Tsunami Deposit Could Have Come from Pre-Columbian Megathrust Earthquake

Tsunami deposits identified in a coastal mangrove pond in Northwest Puerto Rico could have come from a megathrust earthquake at the Puerto Rico Trench that occurred between 1470 and 1530, according ...

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African Penguins: Climate Refugees from a Distant Past?

Imagine the view from the western coastline of southern Africa during the Last Glacial Maximum (LGM) over twenty thousand years ago: in the distance you would see at least fifteen large islands -- ...

A Once-Stable Glacier in Greenland Is Now Rapidly Disappearing

As climate change causes ocean temperatures to rise, one of Greenland's previously most stable glaciers is now retreating at an unprecedented rate, according to a new ...

X-Ray Analysis Sheds New Light on Prehistoric Predator's Last Meal

We now know more about the diet of a prehistoric creature that grew up to two and a half meters long and lived in Australian waters during the time of the dinosaurs, thanks to the power of x-rays. ...

The Diversity of Present Tree Species Is Shaped by Climate Change in the Last 21,000 Years

A new global survey of 1000 forest areas shows how climate change since the peak of the last ice age has had a major impact on the diversity and distribution of tree species we see today. The results ...

Nullarbor Rocks Reveal Australia's Transformation from Lush to Dust

Researchers have discovered how long ago the Australian Nullarbor plain dried out, with a new approach shedding light on how ancient climate change altered some of the driest regions of our ...

Professor Unearths the Ancient Fossil Plant History of Burnaby Mountain

New research led by a paleobotanist provides clues about what plants existed in the Burnaby Mountain area (British Columbia, Canada) 40 million years ago during the late Eocene, when the climate was ...

Study Re-Evaluates Hazards and Climate Impacts of Massive Underwater Volcanic Eruptions

Material left on the seafloor by bronze-age underwater volcanic eruptions is helping researchers better understand the size, hazards and climate impact of their parent eruptions, according to new ...

研究人员与北极变暖Extreme Winter Weather in Midlatitude and Its Future

A warmer Arctic has been linked to extreme winter weather in the midlatitude regions. But, it is not clear how global warming affects this link. In a new study, researchers show, using weather data ...

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