According to a recent study published in Nature, coastal marshlands and coral reef islands may not expand quickly enough to counteract the accelerating sea level rise due to climate change. Conducted by a global team of researchers, including one from Tulane University, the study emphasizes the critical importance of limiting global warming to below 2 degrees Celsius (3.6 degrees Fahrenheit), as outlined in the Paris Agreement, for the survival of these vulnerable coastal regions.

A key finding of the paper is that coastal marshes, mangroves, and reef islands are unlikely to keep pace with rates of sea-level rise that exceed 7 millimeters (about one-quarter of an inch) per year. This rate is likely to occur by the year 2100 in most parts of the world in the absence of major efforts to reduce greenhouse gas emissions.

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