{"id":17465,"date":"2021-02-03T10:37:07","date_gmt":"2021-02-03T18:37:07","guid":{"rendered":"http:\/\/occupysf.net\/?p=17465"},"modified":"2021-02-03T10:37:09","modified_gmt":"2021-02-03T18:37:09","slug":"sea-levels-are-rising-faster-than-most-pessimistic-forecasts","status":"publish","type":"post","link":"http:\/\/occupysf.net\/index.php\/2021\/02\/03\/sea-levels-are-rising-faster-than-most-pessimistic-forecasts\/","title":{"rendered":"SEA LEVELS ARE RISING FASTER THAN MOST PESSIMISTIC FORECASTS"},"content":{"rendered":"\n<p>New research indicates economies have to emit even less carbon than budgeted to keep oceans from rising.<\/p>\n\n\n\n<p>By&nbsp;<a href=\"https:\/\/www.bloomberg.com\/authors\/AGSiqm6BEPk\/jonathan-tirone\">Jonathan Tirone<\/a>&nbsp;February 1, 2021 (Bloomberg.com)<\/p>\n\n\n\n<p>Rising Sea Levels Shown to Be Worse Than Previously ForecastUnmuteRising Sea Levels Shown to Be Worse Than Previously Forecast<\/p>\n\n\n\n<p>Climate change is causing&nbsp;oceans to rise quicker&nbsp;than&nbsp;scientists\u2019 most pessimistic forecasts, resulting in earlier flood risks to&nbsp;coastal economies already struggling to adapt.&nbsp;&nbsp;<\/p>\n\n\n\n<p>The revised estimates published Tuesday in&nbsp;<a href=\"https:\/\/os.copernicus.org\/articles\/17\/181\/2021\/#:~:text=We%20define%20a%20new%20transient,temperature%20increases%20on%20this%20timescale.\" target=\"_blank\" rel=\"noreferrer noopener\"><em>Ocean Science<\/em><\/a>&nbsp;impact the two-fifths of the Earth\u2019s population who live near coastlines. Insured property worth trillions of dollars could&nbsp;face even greater danger from&nbsp;floods, superstorms and tidal surges. The research suggests that countries will have to rein in their greenhouse gas emissions even more than expected to keep sea levels in check.&nbsp;<\/p>\n\n\n\n<p>\u201cIt means our carbon budget is even more depleted,\u201d said&nbsp;Aslak Grinsted, a geophysicist at the University of Copenhagen who co-authored the research. Economies need to slash&nbsp;an additional 200 billion metric tons of carbon \u2014&nbsp;equivalent&nbsp;to about five years of global emissions \u2014 to remain within the thresholds set by previous forecasts, he said.&nbsp;<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/assets.bwbx.io\/images\/users\/iqjWHBFdfxIU\/iGCRpAHudv2c\/v1\/600x-1.png\" alt=\"relates to Sea Levels Are Rising Faster Than Most Pessimistic Forecasts\"\/><figcaption>The warmer it gets, the faster the sea level rises. The sensitivity models of the future appear to be inconsistent with historical data.Credit: Aslak Grinsted<\/figcaption><\/figure>\n\n\n\n<p>What on Earth?The Bloomberg Green newsletter is your guide to the latest in climate news, zero-emission tech and green finance.EmailSign UpBy submitting my information, I agree to the&nbsp;<a href=\"https:\/\/www.bloomberg.com\/notices\/privacy\/\" target=\"_blank\" rel=\"noreferrer noopener\">Privacy Policy<\/a>&nbsp;and&nbsp;<a href=\"https:\/\/www.bloomberg.com\/notices\/tos\/?in_source=hp-nav\" target=\"_blank\" rel=\"noreferrer noopener\">Terms of Service<\/a>&nbsp;and to receive offers and promotions from Bloomberg.<a href=\"https:\/\/www.bloomberg.com\/green?in_source=postr_index\">More from<\/a><a href=\"https:\/\/www.bloomberg.com\/news\/articles\/2021-02-03\/supreme-court-agrees-to-hear-appeal-from-penneast-pipeline?in_source=postr_story_0\">PennEast Pipeline Gets High Court Hearing on Land-Use Rights<\/a><a href=\"https:\/\/www.bloomberg.com\/news\/articles\/2021-02-02\/new-york-snow-enters-record-books-as-city-digs-out-from-storm?in_source=postr_story_1\">New York Snow Entered Record Books as City Dug Out<\/a><a href=\"https:\/\/www.bloomberg.com\/news\/articles\/2009-09-03\/ethiopia-s-meles-says-africa-may-walk-out-over-climate-talks?in_source=postr_story_2\">Ethiopia\u2019s Meles Says Africa May \u2018Walk Out\u2019 Over Climate Talks<\/a><a href=\"https:\/\/www.bloomberg.com\/news\/articles\/2021-02-03\/chill-of-the-season-to-make-u-s-shiver-from-chicago-to-new-york?in_source=postr_story_3\">Arctic Blast Will Bring a Deep Freeze From Chicago to New York<\/a><\/p>\n\n\n\n<p>The researchers built on the United Nation\u2019s Intergovernmental Panel on Climate Change\u2019s models, many of which&nbsp;only consider the last 150 years, by incorporating data going back several centuries. The new observations&nbsp;show about a&nbsp;half-meter of sea rise by the end of the century can now be expected with just a 0.5 degree Celsius rise in temperatures. Oceans could rise more than 1 meter at 2 degrees Celsius, a trajectory that will be easily passed under current&nbsp;<a href=\"https:\/\/climateactiontracker.org\/global\/temperatures\/\" target=\"_blank\" rel=\"noreferrer noopener\">climate policies<\/a>.&nbsp;<\/p>\n\n\n\n<p>\u201cThe models we are basing our predictions of sea-level rise on presently are not sensitive enough,\u201d&nbsp;&nbsp;Grinsted said. \u201cTo put it plainly, they don\u2019t hit the mark when we compare them to the rate of sea-level rise we see when comparing future scenarios with observations going back in time.\u201d<\/p>\n\n\n\n<p>The conclusions follow last month\u2019s warning that rising temperatures have melted&nbsp;<a href=\"https:\/\/www.bloomberg.com\/news\/articles\/2021-01-25\/climate-change-is-melting-ice-in-every-continent-new-study-shows?sref=zr5Avzr1\" target=\"_blank\" rel=\"noreferrer noopener\">28 trillion metric tons<\/a>&nbsp;of ice \u2014&nbsp;equivalent to a 100 meter thick sheet of ice covering the entire U.K. \u2014 making the&nbsp;worst-case climate scenarios more likely. The new methodology for tracking sea level change could help insurance companies, real estate developers and city planners erecting tidal-defense systems.&nbsp;<\/p>\n\n\n\n<p>\u201cThe scenarios we see before us now regarding sea-level rise are too conservative \u2013 the sea looks, using our method, to rise more than what is believed using the&nbsp;present method,\u201d Grinsted said, adding that his team at the Niels Bohr Institute is in touch with the IPCC about incorporating its results in next year\u2019s sixth&nbsp;<a href=\"https:\/\/en.wikipedia.org\/wiki\/IPCC_Fifth_Assessment_Report\" target=\"_blank\" rel=\"noreferrer noopener\">Assessment Report<\/a>.&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>New research indicates economies have to emit even less carbon than budgeted to keep oceans from rising. By&nbsp;Jonathan Tirone&nbsp;February 1, 2021 (Bloomberg.com) Rising Sea Levels Shown to Be Worse Than Previously ForecastUnmuteRising Sea Levels Shown to Be Worse Than Previously Forecast Climate change is causing&nbsp;oceans to rise quicker&nbsp;than&nbsp;scientists\u2019 most pessimistic&#8230; <a class=\"continue-reading-link\" href=\"http:\/\/occupysf.net\/index.php\/2021\/02\/03\/sea-levels-are-rising-faster-than-most-pessimistic-forecasts\/\"> Continue reading <span class=\"meta-nav\">&rarr; <\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"_links":{"self":[{"href":"http:\/\/occupysf.net\/index.php\/wp-json\/wp\/v2\/posts\/17465"}],"collection":[{"href":"http:\/\/occupysf.net\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/occupysf.net\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/occupysf.net\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/occupysf.net\/index.php\/wp-json\/wp\/v2\/comments?post=17465"}],"version-history":[{"count":1,"href":"http:\/\/occupysf.net\/index.php\/wp-json\/wp\/v2\/posts\/17465\/revisions"}],"predecessor-version":[{"id":17466,"href":"http:\/\/occupysf.net\/index.php\/wp-json\/wp\/v2\/posts\/17465\/revisions\/17466"}],"wp:attachment":[{"href":"http:\/\/occupysf.net\/index.php\/wp-json\/wp\/v2\/media?parent=17465"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/occupysf.net\/index.php\/wp-json\/wp\/v2\/categories?post=17465"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/occupysf.net\/index.php\/wp-json\/wp\/v2\/tags?post=17465"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}