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The steady rise in ocean temperatures is an unavoidable result of the Earth's energy imbalance, which is primarily caused by rising levels of greenhouse gases. [13] Between pre-industrial times and the 2011–2020 decade, the ocean's surface has heated between 0.68 and 1.01 °C. [14]: 1214
Historical sea level reconstruction and projections up to 2100 published in 2017 by the U.S. Global Change Research Program [193] Global sea level is rising as a consequence of thermal expansion and the melting of glaciers and ice sheets. Sea level rise has increased over time, reaching 4.8 cm per decade between 2014 and 2023. [194]
Global sea level has increased by 20–25 cm (8–10 in) since 1900, with half of that increase occurring since 1980. This sea level rise has been the fastest in "at least the last 3000 years", which is very likely to have been caused by human activity. [1]: 5, 8 [2]: 4 As the recent warming heats the ocean, its water expands in volume.
Climate models predict a steady rise in sea surface temperatures, but not this quickly, and ocean surface temperatures also fluctuate and can be affected by natural climate variability, including ...
Between 1993 and 2018, the mean sea level has risen across most of the world ocean (blue colors). [71] Coastal ecosystems are facing further changes because of rising sea levels. Some ecosystems can move inland with the high-water mark, but others are prevented from migrating due to natural or artificial barriers.
Panama estimates that it will cost about $1.2 billion to relocate the 38,000 or so inhabitants who will face rising sea levels in the short- and medium-term, said Ligia Castro, climate change ...
The upcoming climate talks in Paris have generated a lot of buzz lately. Multiple large organizations are coming out with reports on the climate's future impact on humans, and the general ...
6 March: a study in Nature finds U.S. land area of ~1,200 km 2 (460 sq mi) is threatened by coastal subsidence by 2050 due to sea level rise. [ 101 ] [ 102 ] 13 March: a study published in PLOS One projected that 13% of all current ski areas are projected to completely lose natural annual snow cover by 2100.