“The future external forcing is unknown. (2019) "The future of Blue Carbon science". By entering your email address you agree for your data to be handled in accordance with our Privacy Policy. and Lovelock, C.E. This would lead to a faster accumulation of carbon emissions in the atmosphere – and more rapidly-increasing temperatures. I’ve never heard of plastic turbine generators, but the prospect of collecting ocean plastic trash > recycling to fully sealed self-lubricated, perhaps 3-D printed turbine generation, is both intriguing & potentially beneficial from multiple perspectives. Claude S Poliakoff, MD FACS retired CC60 P&S64. And like all models, Le Quéré’s model has uncertainties of its own. After all, one can easily see the political traps and arguments that could ensue when the ocean stops swallowing carbon dioxide, and even starts spewing it back. Another long-term option is carbon capture directly from the air using hydroxides. In particular, plankton, corals, fish, algae and other photosynthetic bacteria are responsible for this capture. While climate policy and temperature targets do incorporate ocean dynamics, many rely on relatively simplistic ocean models that could use improvement, says McKinley. [72], One study in 2009 found that the fraction of fossil-fuel emissions absorbed by the oceans may have declined by up to 10% since 2000, indicating oceanic sequestration may be sublinear. The major disadvantage of saline aquifers is that relatively little is known about them compared to oil fields. Leakage of CO2 back into the atmosphere may be a problem in saline-aquifer storage. Combined with the fact that the ocean had already sucked up more carbon following the Mount Pinatubo eruption, this lessened the difference between the amount of carbon dioxide in the atmosphere and in the ocean. A carbon sink is a natural or artificial reservoir that absorbs and stores the atmosphere’s carbon with physical and biological mechanisms. Strong decadal variations in the oceanic uptake of carbon dioxide (CO2) observed over the past three decades challenge our ability to predict the strength of the ocean carbon sink. Again the sale of the methane can be used to offset the cost of the CO2 storage. El interesado puede ejercitar sus derechos de acceso, rectificación, supresión, portabilidad y la limitación u oposición, ante Acciona, S.A. dirigiéndose por escrito al Departamento de Protección de datos sita en Avenida de Europa, 18, 28108 de Alcobendas (Madrid) o mediante el envío de un correo electrónico en la siguiente dirección: protecciondedatos@acciona.com, adjuntando en ambos casos copia del DNI u otro documento identificativo. Mapped: How climate change disproportionately affects women’s health, State of the climate: 2020 on course to be warmest year on record, Guest post: How the global coronavirus stimulus could put Paris Agreement on track, IEA: Wind and solar capacity will overtake both gas and coal globally by 2024, Influential academics reveal how China can achieve its ‘carbon neutrality’ goal, Guest post: How energy-efficient LED bulbs lit up India in just five years, Budget 2020: Key climate and energy announcements, Climate strikers: Open letter to EU leaders on why their new climate law is ‘surrender’, Europe ‘could get 10 times’ its electricity needs from onshore wind, study says, In-depth Q&A: Why Ireland is ‘nowhere near’ meeting its climate-change goals, Guest post: Calculating the true climate impact of aviation emissions, Coronavirus: Tracking how the world’s ‘green recovery’ plans aim to cut emissions, US election tracker 2020: Democrats and Republicans on energy and climate, Media reaction: Boris Johnson's ‘10-point’ net-zero plan for climate change, Q&A: How the ‘climate assembly’ says the UK should reach net-zero, CCC: UK risks ‘egg on face’ unless it accelerates climate plans, Four more years of Donald Trump could 'delay global emissions cuts by 10 years’, Guest post: A brief history of climate targets and technological promises, COP25: Key outcomes agreed at the UN climate talks in Madrid, Media reaction: What Joe Biden’s US election victory means for climate change, US election: Climate experts react to Joe Biden’s victory, Explainer: How climate change is affecting wildfires around the world, Explainer: How the rise and fall of CO2 levels influenced the ice ages. 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Identified possible problems are the many 'leak' opportunities provided by old oil wells, the need for high injection pressures and acidification which can damage the geological barrier. [66] “A well-designed climate policy should be able to incorporate unexpected results and be able to adapt,” Goldstein says. At the same time, the long-running increase in atmospheric carbon dioxide slowed briefly between 1989 and 1994 because of a temporary plateau in carbon emissions, and because of an increase in the terrestrial carbon sink. 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[66] As most oil and gas has been in place for millions to tens of millions of years, depleted oil and gas reservoirs can contain carbon dioxide for millennia.

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