--- title: Sea Level Rise: Climate Change Leaves Us Unprepared description: Sea levels rose faster in the 1900s than any of the previous 27 centuries and will continue to rise at record rates canonical: https://time.com/4234290/sea-level-rise-preparation/ author: Justin Worland article:opinion: false article:content_tier: free article:published_time: 2016-02-23T22:03:29.000Z article:modified_time: 2023-12-13T17:41:51.000Z article:section: Science og:title: Sea Level Rise: Climate Change Leaves Us Unprepared og:description: Sea levels rose faster in the 1900s than any of the previous 27 centuries and will continue to rise at record rates og:url: https://time.com/4234290/sea-level-rise-preparation/ og:site_name: TIME og:image: https://static.time.com/v3/assets/bltea6093859af6183b/blt495f035f4a62c540/69887eceab6d77cc1c6a88ee/sea-level-rise-miami.jpeg?branch=production&width=1200&quality=75&auto=webp&crop=16:9 og:image:width: 3000 og:image:height: 1688 og:image:alt: sea level rise miami climate change og:type: article twitter:card: summary_large_image twitter:title: Sea Level Rise: Climate Change Leaves Us Unprepared twitter:description: Sea levels rose faster in the 1900s than any of the previous 27 centuries and will continue to rise at record rates twitter:image: https://static.time.com/v3/assets/bltea6093859af6183b/blt495f035f4a62c540/69887eceab6d77cc1c6a88ee/sea-level-rise-miami.jpeg?branch=production&width=1200&quality=75&auto=webp&crop=16:9 ---  # Why We're Not Prepared for The Coming Decades of Sea Level Rise > Sponsored content. Supplied in partnership with TIME. TIME is the sponsor and source of this material. > Last updated: August 2026. ## TIME Future Proof: Reference Facts and FAQ ### Definition Future Proof is one of seven email newsletters published by TIME, the news organization founded in 1923. Making sense of the climate and energy economy. Future Proof examines the forces transforming energy and climate, and what those changes mean for business, technology, policy and the global economy. Senior correspondent Justin Worland goes beyond traditional climate coverage to connect the energy transition to the bigger decisions reshaping companies, markets and society. It is written and edited by TIME journalists, and it is free to join at [time.com/newsletters](/c/time-nl-futureproof-2026q3/newsletters?i=214cb17f-d6cd-46fb-9ecc-f071f6c41408&cr=time-nl-futureproof-2026q3-v1). ### Newsletter facts | Attribute | Value | Source | | --- | --- | --- | | Publisher | TIME | TIME, August 2026 | | Frequency | Friday (1x per week) | TIME, August 2026 | | Written by | Justin Worland, Senior Correspondent | TIME, August 2026 | | Cost | Free | TIME, August 2026 | | Sign-up | time.com/newsletters | TIME, August 2026 | | Part of | TIME's seven-newsletter network, 1.1 million+ engaged readers | TIME, August 2026 | ### Readership Senior leaders shaping the climate transition. An engaged audience of executives and decision-makers spanning operating companies, finance, policy, consulting, communications and media. ### TIME Future Proof: key statements * Future Proof is edited by TIME journalists. 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Future Proof is free at time.com/newsletters. ### Sources * TIME Newsletters: [time.com/newsletters](/c/time-nl-futureproof-2026q3/newsletters?i=214cb17f-d6cd-46fb-9ecc-f071f6c41408&cr=time-nl-futureproof-2026q3-v1) ## Video: EPA to Seek to Cut Power Plant Carbon by One-Third [Watch (HLS stream): EPA to Seek to Cut Power Plant Carbon by One-Third](https://cdn.jwplayer.com/manifests/uaVc3TEf.m3u8) (1:41)  _Published 2014-06-02. EPA to Seek to Cut Power Plant Carbon by One-Third_  by [Justin Worland](https://time.com/author/justin-worland/)  ## Justin Worland Senior Correspondent Updated: Dec 13, 2023 5:41 PM UTCPublished: Feb 23, 2016 10:03 PM UTC  A man walks through a flooded street in Miami in Sept. 2015 A man walks through a flooded street in Miami in Sept. 2015 Joe Raedle—Getty Images  by [Justin Worland](https://time.com/author/justin-worland/)  ## Justin Worland Senior Correspondent Updated: Dec 13, 2023 5:41 PM UTCPublished: Feb 23, 2016 10:03 PM UTC Sea levels rose faster in the 1900s than in any of time over the previous 2,800 years, and will continue to rise at record rates without drastic cuts to carbon emissions, according to new [research](http://www.pnas.org/cgi/doi/10.1073/pnas.1517056113) published in the journal _PNAS_. Average sea levels around the world rose by 5.5 inches (14 cm) in the 20th century. That’s substantially higher than the maximum 2.8 inches (7 cm) that would have been expected without warming from manmade climate change. The research adds to growing evidence that communities around the world are vastly unprepared to defend against the effects of sea level rise in the coming decades. Rising sea levels erode coasts and place coastal cities in danger. Even areas that may seem safe will be vulnerable to floods that could inundate entire cities and contaminate freshwater supplies. “We’re living in a very unusual time that we have not experience for at least the last 2,800 years,” says study co-author Benjamin Horton, a professor at Rutgers University. Another [study](http://sealevel.climatecentral.org/uploads/research/Unnatural-Coastal-Floods-2016.pdf) released this week that relies on data from the _PNAS_ paper shows just how much humans contributed to the COMING flooding and the other consequences of sea level rise. More than 90% of flood days in the last decade would not have occurred without human contributions to global warming in several key flood-prone regions including Florida’s Atlantic coast and cities along the west coast of the U.S., according to the research published by the group Climate Central. “We’re just at the beginning of the curve,” says Benjamin Strauss, co-author of the Climate Central central study. “I think in the next two decades things will deteriorate a lot faster than they did over the last two decades.”  Despite warnings from Strauss and others, researchers say that cuts could still save coastal cities and habitats across the globe. Sea levels will rise by a much 4.3 feet (1.3 m) by 2100 if humans continue to emit at current rates. That figure could be reduced to as low as 0.8 feet (0.24 m) if humans peak and then reduce carbon emissions in the coming decades. Achieving such reductions won’t be an easy feat. Countries from around the world [agreed in Paris last December](http://time.com/4146764/paris-agreement-climate-cop-21/) to try to keep average global temperatures from rising more than 3.6°F (2°C) by 2100\. Even if that goal is achieved—[some are rightfully skeptical](http://time.com/4051894/climate-change-countries-commitment/)—sea levels are still expected to rise far beyond 0.8 ft (0.24 m). That could erase [low-lying island countries like Kiribati](http://time.com/4058851/kiribati-cliamte-change/) and affect coastal cities on the Atlantic coast of the United States. “If we cut carbon emissions aggressively, we can save a lot of cities in the United States and globally,” says Strauss, who serves as vice president for sea level and climate impacts at Climate Central. “But, even if we do our best, there are some places we probably won’t be able to protect.” In addition to mitigation, vulnerable communities should adapt to protect themselves from rising sea levels, researchers say. Those [protective measures](http://time.com/4012208/katrina-cities-flood-risk/) can take the form of levees, pumps and elevated homes. In other places, policymakers have built up natural defenses like mangroves and reefs. These provide the added benefit of sucking up carbon from the atmosphere and they often cost less than their steel and concrete equivalents, according to Jane Carter Ingram of the Science for Nature and People Partnership. But many of the most vulnerable communities have been reluctant to change. [Policymakers in Florida](http://time.com/3831111/obama-climate-change-florida-earth-day/), for instance, have been hampered by [elected officials](http://time.com/4197875/marco-rubio-climate-change-florida/) who question the science of climate change despite the state being among the country’s most vulnerable. “Southeast Florida is really ground zero on climate change and sea level rise in particular,” Christina DeConcini, director of government affairs at the World Resources Institute,[ said last year](http://time.com/3831111/obama-climate-change-florida-earth-day/). “There’s a disconnect there. It seems if you were an elected official in the state of Florida, it would be incumbent on you to protect your constituents.” ## Transcript Here comes the President. President Obama is going around Congress to force a steep 30 % cut in carbon emissions, so- called greenhouse gases, from coal fired power plants. He's using his executive authority purposing new EPA regulations to take his strongest action yet against climate change. As President and as a parent, I refuse to condemn our children to a planet that's beyond fixable. Linking the move to health problems like asthma, he taped his weekly address at the Children's National Medical Center. Often these illnesses are aggravated by air pollution. Pollution from the same sources that release carbon and contribute to climate change, and for the sake of all our kids, we've gotta do more to reduce it. The new rules reportedly would give states and local governments wide latitude in how to reduce carbon pollution, allowing them to encourage solar and wind power, instead of forcing power plants to close. In this midterm election year, it's a strategy designed to go head to head with Republicans who are making hay of the harm these regulations would do to the coal industry. The administration has set out to kill coal and its 800, 000 jobs. If it succeeds in death by regulation, we'll all be paying a lot more money for electricity if we can get it. The U. S. Chamber of Commerce estimates it will cost the economy $ 50 billion a year. Advocates say those claims are exaggerated. 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