UN Reports introducing geoengineering solutions that help our fight against climate change whilst providing the necessary intervention against global warming.
Geoengineering: engineering through a process of intervention against climate change
After the United Nations released its Intergovernmental Panel of Climate Change report recently, it has been revealed that the different methods of geoengineering are substantial to combat global warming, and restraint the temperature rise. In order to understand what it takes to combat global warming, one has to acknowledge the two main approaches to geoengineering – carbon dioxide removal and solar radiation management.
Out of the two, CDR – carbon dioxide removal – is the method that is usually incorporated into the strategy to fight climate change. It is perceived as a “climate change mitigation measure” and it refers to different techniques employed to remove carbon dioxide from our atmosphere, ultimately lessening global warming.
Bioenergy with carbon capture and storage (BECCS)
The principle model to combat global warming is described by the Intergovernmental Panel of Climate Change report as a process of burning biomass for energy and essentially capturing the carbon dioxide for storage under the surface.
What are its implications against climate change?
Two questions arise when debating the effectiveness of using biomass to remove carbon dioxide from the atmosphere: what are the costs and how safe is it? In terms of the price we pay for investing into biomass, we can strike a good deal if we want to fight against climate change. The effectiveness of a project to counter global warming depends on the size of the investment and whether the biomass supply is upscaled before it is too late. Arguably, biomass plantations are costly because of the need for arable land and the labour expenses are unfavourable. It should be noted, however, that it depends on the energy crop used to source biomass. Energy reeds, such as Arundo Donax, does not require valuable soil and treatment, as it grows efficiently on marginal land with limited maintenance. The other question is whether carbon dioxide removal for stopping global warming is safe or not. It is generally accepted that capturing and storing carbon dioxide under the surface is a secure method which provides a solution for thousands of years. On the other hand, natural carbon sequestering through soil and trees are undone more frequently, thus the solution they provide to battle climate change and global warming is concluded to be temporary only.
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Source:https://www.dezeen.com/2018/10/18/five-geoengineering-solutions-climate-change-un-ipcc-technology/
