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Limiting warming to 1.5C would ‘halve’ land-ice contribution to sea level rise by 2100

By Ayesha Tandon Photo: Global Vibes / Alamy Stock Photo

The Nature study, which brings together 84 authors from 62 institutions, projects future sea level rise using the latest models and future pathways. It estimates that, if current pledges to reduce emissions are met, land-ice loss will drive around 25cm of sea level rise by 2100. However, this falls to 13cm if warming is limited to 1.5C above pre-industrial levels.


Hitting Paris climate goal could cut sea level rise in half by 2100

By Adam Vaughan Photo: Ulrik Pedersen/NurPhoto via Getty Images

The amount of sea level rise facing coastal cities as a result of ice melt could be roughly halved if the world meets the Paris Agreement’s toughest goal of holding climate change to 1.5°C of warming.

Coastal flooding would still worsen as meltwater from glaciers and ice sheets would raise seas by an average 13 centimetres by 2100, a new overview of computer modelling suggests. But failure to rein in carbon dioxide emissions leading to global warming of 3.4°C would see a 25-cm increase from ice melt.


Meeting climate goals would ‘halve’ sea level rise from melting ice, study says

By Daisy Dunne

Limiting global heating to 1.5C above pre-industrial levels could halve the amount of sea level rise from melting land ice this century, when compared to a scenario based on current climate pledges, a study finds.


Limiting warming to 1.5 degrees Celsius could reduce sea level rise by 50 percent: research

By John Bowden Photo: Getty Images

The world can avoid the worst effects of rising sea levels if the world’s countries are able to limit warming to 1.5 degrees Celsius, a study released Wednesday found.

The study, posted at, found that the rate of melting sea ice could be cut in half should countries meet the ambitious target for limiting warming. Currently, the world is on pace to warm 3 degrees by 2100.