Articles on Sea levels

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Island biodiversity at risk from rising sea levels

Rising sea levels caused by global warming are putting island habitats that hold 20% of the world’s biodiversity at risk…
Miami, New York City… who’s next? Allstar/Fox 2000/Sportsphoto Ltd

The inevitability of sea level rise

Small numbers can imply big things. Global sea level rose by a little less than 0.2 metres during the 20th century – mainly in response to the 0.8 °C of warming humans have caused through greenhouse gas…
Increased coastal population growth and rising water levels could lead to damaged sewerage systems and water contamination. Flickr/autowitch

If the tide is high, our sewerage systems won’t hold on

Sea levels are rising and the world’s vast coastal settlements face many damaging changes. One of the most difficult and expensive challenges is the risk to the safe and effective operation of our sewerage…

Sea level affected tropics in ice age

University of Hawaii at Manoa researchers have investigated preserved geological rainfall pattern clues, or “proxies”, during…
New Jersey was hit hard by the storm surge. Michael Reynolds/AAP

Losing higher ground: hurricanes and sea level rise

As I write this, the worst coastal flooding effects from Hurricane Sandy’s attack on the densely populated regions of the US northeast are almost over. Even so, the effects have been significant: record…
Sea levels are rising globally at record-breaking rates and Antarctica is playing an increasing role. Matt King

Weigh-in reveals Antarctica’s losing 190 million tonnes a day

A small slice of Antarctica turns up along your coastline each year. We’re all glad it’s just a small slice, given Antarctica could deliver a total sea-level rise of 59 metres. That’s not going to happen…
Scientists have a better understanding of the contribution of melting glacier and ice sheets to sea level rise, but much remains uncertain. Flickr/ChrisGoldNY

Melting ice the greatest factor in rising sea levels

Melting glaciers and ice sheets have contributed more to rising sea levels in the past decade than expansion from warming…
The floods that engulfed Sydney on March 8 this year are expected to become a more common occurrence. AAP/Paul Miller

Floods and heatwaves to increase across NSW

Rising sea levels could threaten up to 60,000 houses, 1200 commercial buildings and 250 kilometres of highway in NSW by the…
We need to know more about how ice sheets interact with the warming oceans and warming atmosphere. Greenpeace/ADavies

Improving sea-level projections

Satellite and in situ observations show sea level is continuing to rise. In the last Intergovernmental Panel on Climate Change report, earth system model projections indicated global sea-level rise by…

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