To the changes climatic have been on the agenda of meetings in several organizations for a long time. The concern with the direction that nature in general is taking leaves the authorities always on alert, in order to seek measures that can reduce the impacts of daily life around the world, without the economic issue being criticism.
According to the US president, Joe Biden, the government intends to adopt some measures to combat climate change, such as a sulfur dioxide spray system in the stratosphere, through aerosols.
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For some scientists, the measure may be an intervention in the atmosphere of risk, but for others, it is seen as a last attempt to prevent global warming from advancing, as it has been happening year after year in the world all.
The technique is known as geoengineering and its main objective is to reflect solar radiation that reaches Earth back into space. Thus, problems with damage to the atmosphere, such as rising temperatures, can be significantly minimized.
The question, currently, is to calculate whether the risks of the practice can outweigh the rewards regarding the benefits that this technique can bring. for the quality of life of the world's population and, even if in the long term, solve one of the most harmful problems of global warming global.
For Professor Daniel Cohan, there are more natural and safer ways to combat climate change than the geoengineering, however, did not fail to say that it awaits additional studies so that a clearer conclusion can be reached. achieved.
Harvard professor David Keith said that research efforts are growing and added: “The use of geoengineering will never be 'necessary' - it's a tough choice that people will have opinions on divergent”. He further said: “My hope is that the government of the U.S present a transparent and high-quality research plan that can promote knowledge of public interest”.
The main disadvantage pointed out is the short duration of aerosols, which need to be renewed frequently. This means that there are losses that may be greater than the benefits, depending on the final results of the studies.
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