{"id":11908,"date":"2019-09-26T11:51:25","date_gmt":"2019-09-26T18:51:25","guid":{"rendered":"http:\/\/blogs.oregonstate.edu\/impact\/?p=11908"},"modified":"2019-09-26T11:51:25","modified_gmt":"2019-09-26T18:51:25","slug":"ocean-ecologist-calls-for-action-on-ocean-related-solutions-to-climate-change","status":"publish","type":"post","link":"https:\/\/dev.blogs.oregonstate.edu\/impact\/2019\/09\/ocean-ecologist-calls-for-action-on-ocean-related-solutions-to-climate-change\/","title":{"rendered":"Ocean ecologist calls for action on ocean-related solutions to climate change"},"content":{"rendered":"

Ocean-based actions have greater potential to fill in gaps in climate change mitigation than previously appreciated, an Oregon State University scientist and two co-authors explain in a paper published today in Science<\/a>.<\/p>\n

The article by OSU distinguished professor Jane Lubchenco and her collaborators aims to connect the dots between two new international reports, one highlighting the devastating impact of climate change on the ocean, the other an analysis of ocean-related solutions to climate change.<\/p>\n

The paper by Lubchenco and the reports by the International Panel on Climate Change, issued today in Monaco and New York, and the High Level Panel for a Sustainable Ocean Economy, released Tuesday in New York at a meeting Lubchenco presided over, are among the key elements of international Climate Week.<\/p>\n

Climate Week began Sept. 20 and includes marches and other activities around the world, with a focus on the United Nations and other sites in New York.<\/p>\n

The key takeaway of the reports and the paper, Lubchenco said, is that we can now think of the ocean as a source of solutions, not just a victim of climate change. It is clear that the ocean has been bearing the brunt of climate change to date, but untapped ocean-related approaches to fighting climate change could play a large role in capping climate change at 1.5 degrees Celsius above pre-Industrial Age levels as called for in the 2016 Paris Agreement<\/a>.<\/p>\n

Limiting warming to 1.5 degrees would maintain substantial proportions of ecosystems while also benefiting health and economies, scientists say.<\/p>\n

\u201cThe IPCC Special Report on the Ocean and Cryosphere paints a gloomy picture of the impacts of climate change on the ocean, ocean ecosystems and people, and an even more dismal portrayal of what is in store unless we get serious about reducing greenhouse gas emissions rapidly,\u201d said Lubchenco, a marine ecologist in the OSU College of Science and a former administrator of the National Oceanic and Atmospheric Administration. \u201cBut the new analysis conducted for the High Level Panel for a Sustainable Ocean Economy concludes that ocean-based activities have significant potential to help us actually reach the 1.5-degree Celsius target by 2050 \u2013 much greater potential than anyone realized.<\/em>\u201d<\/p>\n

Lubchenco, one of the world\u2019s most highly cited ecologists with expertise in the ocean, climate change and interactions between the environment and human well-being, was not directly involved in writing the IPCC Special Report on the Ocean and Cryosphere in a Changing Climate.<\/p>\n

She is, though, among the scheduled speakers today in New York at a press briefing, an event being called \u201cBlue Leaders: Call to Action on Ocean and Climate.\u201d Other speakers include heads of state and 16-year-old Swedish activist Greta Thunberg.<\/p>\n

This week\u2019s other key report, the one organized by the High Level Panel for a Sustainable Ocean Economy, analyzes five categories of ocean-based activities to evaluate their potential to reduce, sequester and store emissions.<\/p>\n

The categories are ocean-based renewable energy; ocean-based transport; protecting and restoring marine ecosystems (especially \u201cblue carbon\u201d ecosystems like mangroves, salt marshes and seagrass beds); shifting diets to include more protein from seafood and less land-animal protein; and storing carbon in the seabed.<\/p>\n

\u201cThe report concludes that the first four of those can be deployed right away, but seabed carbon storage will require additional research,\u201d said Lubchenco, who co-chaired the expert group that advises the panel and oversaw the report. \u201cCombined, there is the potential for ocean-based activities to provide as much as 21% of the emission reductions needed to achieve the 1.5-degree target by 2050. That means in addition to the options for reducing emissions that we already knew about, we now have some new and powerful tools to deploy.\u201d<\/p>\n

The High Level Panel<\/a> features 14 heads of state who work together to adopt and promote policies and practices associated with a sustainable ocean economy. Led by the leaders of Norway and Palau, the panel also has representation from Portugal, Ghana, Namibia, Kenya, Chile, Mexico, Jamaica, Canada, Japan, Indonesia, Fiji and Australia.<\/p>\n

\u201cCollectively, those nations represent 30% of the world\u2019s coastlines and ocean territories, 20% of the fisheries\u2019 catches, and 20% of the shipping,\u201d Lubchenco said. \u201cThis report is the first from the group; 16 others will follow.\u201d<\/p>\n

Along with its report, the High Level Panel also released a Call to Ocean-Based Climate Action, challenging nations, businesses and society in general to adopt or promote activities that will help achieve the 1.5-degree goal.<\/p>\n

The call includes six types of actions: investing in nature-based climate solutions; harnessing ocean-based renewable energy; decarbonizing ocean industries; securing sustainable food for the future; advancing the deployment of carbon capture and storage; and expanding ocean observation and research.<\/p>\n

\u201cThe report from the International Panel on Climate Change basically says, \u2018the problem is bad and likely to get much worse unless we act\u2019; the High Level Panel report says, \u2018here\u2019s what we can do, it will matter, and take hope,\u2019\u201d Lubchenco said. \u201cOur paper in Science aims to connect the dots between those two.\u201d<\/p>\n

The Earth has already warmed by 1 degree Celsius, sea levels have risen more than 8 inches since 1880, Arctic sea ice is declining at the fastest rate in 1,500 years, and extreme weather events are becoming more common and damaging.<\/p>\n

The actions the High Level Panel calls for are \u201cambitious,\u201d Lubchenco said, \u201cbut we argue that they are necessary, could pay major dividends toward closing the emissions gap in coming decades, and achieve other co-benefits along the way.\u201d<\/p>\n

Joining Lubchenco as co-authors are Ove Hoegh-Guldberg of the University of Queensland and Eliza Northrop of the World Resources Institute. They write that for \u201cfar too long, the ocean has been mostly absent from policy discussions about reducing carbon emissions and meeting the challenges of climate change. Ocean-based actions provide increased hope that reaching the Paris Agreement of 1.5 degrees C might be possible, along with addressing other societal challenges.\u201d<\/p>\n

Lubchenco served as an undersecretary of commerce for oceans and atmosphere within the Obama administration and later as the State Department\u2019s first science envoy for the ocean.<\/p>\n

In 2018, she received the Vannevar Bush Award from the National Science Board, and in 2017, she received the National Academy of Sciences\u2019 most prestigious award, the Public Welfare Medal.<\/p>\n

She is also a MacArthur Fellow and a member of the National Academy of Sciences.<\/p>\n","protected":false},"excerpt":{"rendered":"

Ocean-based actions have greater potential to fill in gaps in climate change mitigation than previously appreciated, marine ecologist Jane Lubchenco explains in a paper published today in 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