The 2nd IPCC Assessment Report (1995) presented Scenario IS92a, which matched real-world pCO2 since then rather well 🌍📈. Their prediction for the resulting sea level rise came out very close to observations 🌊📏.

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#IPCC1995 #ClimateChange #SeaLevelRise #EnvironmentalScience #CarbonDioxide

The timing of emissions cuts, not just their speed, will determine our planet’s fate 🌍 as a new Cornell study warns that delaying reductions beyond 2050 could push the probability of irreversible ice melt ❄️ and sea-level rise 🌊 above 50%, locking humanity into centuries of coastal transformation.

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#EmissionsCuts #ClimateAction #SustainableFuture #SeaLevelRise #IceMelt

Sea levels have risen about 1.5 mm per year since 1900 — faster than at any point in 4,000 years 🌊📈, warns a new study. Warming oceans 🌡️ and melting glaciers ❄️ drive the surge, while coastal deltas, notably in China 🇨🇳, face rising threats from subsidence and human pressure.

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#SeaLevelRise #ClimateChange #GlobalWarming #MeltingGlaciers #CoastalImpact

**Research found that rapid emissions cuts would avoid 64cm of ‘locked in’ sea level rise by 2300 🌊📉. Rising seas are already threatening to wipe out small-island nations 🏝️, jeopardising the security, livelihoods and cultures of people who live in these areas.**

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#ClimateAction #SeaLevelRise #SustainableFuture #ProtectOurIslands #ActOnClimate

New study reveals Canadian ice sheet was major driver of sea-level rise during final stages of the last ice age, not Antarctica 🌊🧊📉

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#SeaLevelRise #ClimateChange #IceAge #CanadianIceSheet #EnvironmentalScience

Early IPCC estimates of sea level rise turned out to be stunningly precise 🌊. Decades ago scientists projected roughly eight centimetres 📏 without today’s modelling power and real-world measurements now show nearly nine as oceans continue their steady climb 📈.

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#SeaLevelRise #ClimateChange #IPCC #OceanHealth #Sustainability

Sea levels are rising globally—but around Greenland, they may fall. 🌊🧊A new study suggests that as climate change accelerates ice loss, local sea levels near Greenland could drop by about 0.9 m in a low-emissions scenario and up to 2.5 m in a high-emissions future by 2100.

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#Greenland #SeaLevelRise #IceLoss #LowEmissions #HighEmissions

Climate models are likely overestimating how much Antarctic ice sheets could contribute to sea level rise. Ice sheet simulations, a recent study showed, don’t fully account for the way supporting bedrock rebounds upward when ice above shrinks. This effect could slow melting by up to 20%.

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#ClimateScience #SeaLevelRise #AntarcticIce #IceSheetModeling #ReboundEffect

Venice may need to be entirely relocated or protected by a massive €30 billion "super levee" as sea levels rise, researchers warn. A new study shows that the city's current mobile barriers will likely be overwhelmed by 2300, requiring radical engineering to save its residents and history.

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#Venice #SeaLevelRise #ClimateChange

New Orleans may have crossed a climate tipping point. Almost 75% of the region will be underwater by 2070 because of rising sea levels, and will need large-scale depopulation. Without rapid mitigation and adaptation, other low-lying regions may face similar risks.

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#ClimateChange #SeaLevelRise #Adaptation2020s

Antarctic ice shelves are melting from below much faster than expected. A new study reveals that grooves under the ice trap warm water, creating a "heat trap" that could accelerate global sea level rise beyond current IPCC models.

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#Antarctica #SeaLevelRise #ClimateChange2024

Rising seas are consuming coastal farmlands twice as fast as forests, despite farmers' efforts to build levees. A new study reveals that over 25,000 acres of Mid-Atlantic cropland have been lost to saltwater intrusion, as annual crops lack the resilience of trees.

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#SeaLevelRise #CoastalFarming #SaltwaterIntrusion

Scientists Solve "Missing Data" Mystery of Sea Level Rise

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#SeaLevelRise #ClimateScience #MissingDataMystery

Human activities caused up to 20% of the retreat of Antarctica's Pine Island Glacier since the 1940s, a study reveals. This is the first research to directly quantify the impact of human emissions on a major Antarctic glacier, a key contributor to global sea-level rise.

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#Antarctica #SeaLevelRise #ClimateChange

Extreme coastal floods that historically had a 1% annual chance are now 12 times more likely, with human-driven climate change quadrupling the risk since the 1960s and acting as the dominant driver of rising sea levels, two new studies reveal.

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#ClimateChange #CoastalFlooding #SeaLevelRise

A global review found sea-level rise is expected to predominantly harm shorebirds, with 78% of studies reporting negative impacts on coastal habitat and 89% finding negative effects on shorebird populations or individual birds.

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#SeaLevelRise #Shorebirds #CoastalHabitatImpact

Greenland and Antarctica have lost 11.3 trillion metric tons of ice since the 1970s, raising global sea level by more than 3 centimeters (1.2 inches). For every third of an inch (or centimeter) of sea level rise, another 2 to 3 million people get flooded at least once per year.

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#SeaLevelRise #ClimateChange #IceLoss

🧊 Over 12.5 trillion tons of ice have melted from Greenland and Antarctica since 1979, enough to cover the continental U.S. in five feet of ice. This melt has raised global sea levels by about an inch (3.1 cm).

🌊 Warmer ocean waters, not just hotter air, are the primary cause of this accelerated melting, with glaciers flowing into the sea. This phenomenon is directly linked to climate change.

📉 Ice melt has significantly increased, particularly in the 2010s. This trend, which began accelerating in the 1990s, is expected to continue for decades, even if global warming stops.

#ClimateChange #IceMelt #SeaLevelRise

More than 70% of U.S. coastal areas are sinking by over 1 millimeter per year, according to new research, increasing the risk of flooding and amplifying the impacts of rising sea levels.

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#SeaLevelRise #CoastalSinking #FloodRisk

🧊 A new study in Nature Geoscience reveals Antarctica's ice loss this century is inevitable, even if global warming is limited to 1.5°C.

💻 Researchers used machine learning to analyze millions of scenarios, finding that Antarctica will contribute more to sea-level rise than currently projected.

🌊 The study emphasizes that reducing greenhouse gas emissions is crucial, as extra snowfall won't offset ice loss due to a warming ocean. Without emission cuts, Antarctica alone could contribute up to 10 inches (25 cm) of sea-level rise by 2100.

#ClimateChange #SeaLevelRise #Antarctica