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26 October 2018
26 October 2018, Florida International University
Technologies that remove carbon dioxide from the air must play a major role in mitigating climate change, according to a new report from the national academies of science, engineering and medicine.
According to the report, some technologies can be deployed today, but more is needed. Tiffany Troxler, scientific director of the Sea Level Solutions Center of the FIU, is one of the 17 scientists in the country who served on the committee of national academies behind the report. She led the Blue Carbon Subcommittee, which deals with the conservation of marine ecosystems to badist with carbon sequestration.
"All options should be considered to produce negative emissions in order to avoid the most significant impacts of climate change and to allow as many people as possible Troxler said:" CO2 is a greenhouse gas which traps the heat in the Earth's atmosphere. According to the National Oceanic and Atmospheric Administration (NOAA), carbon dioxide levels are higher than at any point in history, which is a major factor in climate change. Many methods of mitigating climate change aim to reduce the rate of CO2 removal in ecosystems and its addition to the atmosphere. However, Troxler and the committee of national academies are studying technologies that could do the opposite: absorb CO2 from the atmosphere and return it safely to the planet's ecosystems, where it originated. These processes are called Negative Emissions Technologies (NETs) and could significantly contribute to climate change mitigation.
The Committee calls for an important research initiative to move NETs forward as quickly as possible. While mitigation of climate change remains the motivation for global investments in NETs, the committee said that advances in NETs could also have economic benefits. Intellectual property rights and economic benefits are likely to accrue to countries developing the best technologies.
There are four main categories of TNE:
the direct capture in the air, which takes CO2 directly into the air with the help of a big machine, then injects terrestrial methods, which use plants to capture CO2 and reintroduce it into the soil or life cycle of other plant organisms, biombad with carbon capture and storage (BECCS), which captures carbon so permanent blue carbon ". Coastal wetlands are among the least costly to implement and deploy because of the many other benefits they can provide, which are more often a motivation to restore or create them, such as the protection of the coastline, the fight against against erosion, habitat improvement, water quality sanitation, "Troxler said. "However, there is a need to accelerate research into the carbon fate of coastal wetlands with high rates of sea-level rise, coastal management practices and social barriers to implementation."
All negative emissions technologies are at very different stages of development, according to the report. Some are close to the deployment phase from a technical point of view but not in terms of scalability, while others are experimental and require fundamental research in terms of economic sustainability or technical capability.
Explore Further:
Why We Can not Reverse Climate Change with "Negative Emissions" Technologies
For more:
Negative Emissions Technologies and Reliable Sequestration. www.nap.edu/catalog/25259/nega … on-aa-agenda-agenda
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