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Other points of view on the phenomenon
While many nations work to mitigate the effects of climate change, there are still people skeptical about the reality of this phenomenon.
And it is that although scientists around the world have presented the evidence that global warming is a reality and above all that its causes, unlike other climate changes presented in other eras of humanity, are of human origin, which has accelerated the rise in temperature, there are other thinkers who still debate the veracity of this theory.
For many experts, talking about climate change is referring to the effects that the different activities carried out by human beings are causing on the environment.
According to Hárold González, director of the CVC’s hydroclimatology network, “the phenomenon of climate change is a reality all over the planet, we have many evidences such as the melting of the North and South poles, the area of ice is shrinking by global warming and this affects the level of the sea, so liquid that it is melting. I predict that within 40 years we will not have any glacial or snowy mountains in our country ”.
The official affirms that Valle del Cauca has also been feeling the increase in temperature and indicates that “according to the latest government report by experts on climate change from the UN, the temperature has increased by 0.8 degrees Celsius on the average surface of the planet. and the seas, this totally affects the regions and more so here in Valle del Cauca. We have seen that the phenomenon of the boy and the girl are appearing with more intensity and that is proof of global warming ”.
For his part, Carlos Eduardo Guevara, a biologist and professor at the Santiago de Cali University, stated that the increase in temperature favors forest fires, and that the agro-industrial activity of the Valley and its water resources are being affected.
There is a consensus of scientists in the world that current climate change is due to anthropocentrism as has been raised in the five reports of the United Nations Intergovernmental Panel on Climate Change IPCC, created in 1988, the last of which was published in 2014 and a new one is expected in 2022.
According to these reports, global average surface temperatures have risen roughly 0.20 degrees Celsius since the late 19th century, and by 0.17 degrees Celsius per decade in the last 30 years.
Furthermore, it indicates that most of the warming observed in the last 50 years is attributable to greenhouse gas emissions such as carbon dioxide and methane produced by humans.
Reports warn that if greenhouse gas emissions continue, warming will continue as well, with temperatures projected to increase by 1.4 degrees Celsius to 5.8 degrees Celsius between 1990 to 2100, accompanied by rising sea levels from 9 to 88 centimeters.
In order to reinforce awareness-raising efforts and take measures to counteract climate change, the United Nations Framework Convention on Climate Change was created in 1992, UNFCCC, which was reinforced in 1997 with the Kyoto Protocol.
However, since then a group of scientists called “deniers” have emerged who have expressed their doubts about these and other theories.
Some scientists argue that although it is known that the burning of fossil fuels and the increase in carbon dioxide in the atmosphere will lead to an increase in temperature, it is premature to determine whether this increase will be large and harmful enough.
There are other hypotheses that state that the world climate warmed between the years 1680 and 1940, but since this last year it is cooling and that the CO2 does not heat.
There are those who criticize the IPCC climate projections, stating that they are inaccurate due to inadequate global climate modeling.
There are those who go more on the side that global warming is caused by natural processes as shown by studies of the climate on our planet where they have occurred from glaciations to very warm periods.
There are even those who go very far and argue that there are very hot and cold periods due to the behavior of the sun or other astronomical phenomena such as cosmic rays.
But there are those who prefer to say that climate change, although the increase in CO2 is known, is too premature to determine that the causes of the increase in temperature are anthropogenic or natural.
Other detractors of climate change affirm that the increase in CO2 due to human causes will not be so negative for humans and the environment, highlighting that it can help improve food productivity.
In addition to what different thinkers have raised who see that currently existing models do not guarantee that there is actually an increase in temperature that could be harmful, documentaries have also been made in which it is denied that climate change is the result of anthropocentric activity or the operation of industries.
Around this debate there are also proposals from both sides that argue that the position of one or the other is part of a political, ideological or economic plot that affects or benefits the other.