Is It Good To Drink Rainwater?

A Monash University study reveals the answer to this question. Here I tell you all the details

It is likely that on more than one occasion you have wondered if rainwater could be drunk directly as it fell from the sky. The answer is yes, you can drink rainwater, although with some nuances and this has been revealed by a study by Monash University in Melbourne, which investigated the consumption of rainwater and the possible diseases or infections that it could cause.

But the first thing to keep in mind is that for water to be drinkable, it must be colorless, odorless, tasteless, free of organic, inorganic, or radioactive contaminants, free of suspended elements...

Collecting rainwater from rural areas where the air is clean is not the same as doing it in urban or industrial areas where there is pollution. In fact, health experts express doubts about the safety of consuming rainwater, particularly from cities.

When rain falls on cities it can mix with pollutants in the air, such as carbon monoxide and others. For this reason, in the event of collecting water in this type of place, it is recommended that it be exposed as little as possible to suspended contaminating elements. If you want to consume it, you must first boil it or disinfect it with chlorine in addition to filtering it.

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The Study Looked at 300 Households That Collected Rainwater

To reach this conclusion, the study researchers analyzed 300 homes where rainwater was collected to be used as the main source of consumption. All households received a filter to remove any organisms that could cause gastroenteritis from the water, but half of the devices contained no filter.

After a year where the analyzed families recorded their health, the gastric problems they experienced were very similar to those of people who drank filtered rainwater, even those who drank tap water.

Therefore, rainwater could become a resource for many households, especially in times of drought. Of course, as long as it meets the conditions that make it drinkable.

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How Do You Get Artificial Rain?

Some countries such as the United Arab Emirates and China, with very dry climates, have already used this 'cloud seeding' technique to combat drought, but what does it consist of?

Water is one of the most precious natural resources on our planet, and in some areas, one of the scarcest. In recent times, droughts are prolonging due to the effect of climate change. That is why scientists around the world have been researching the artificial production of rain since 1940, although an efficient way of controlling precipitation has not yet been achieved. Despite everything, there are several countries that continue to experiment with cloud seedings, such as China and the United Arab Emirates.

What is Cloud Seeding and How Does It Occur?

The technique used until now was based on spraying chemicals such as silver iodide or frozen CO2 on the clouds, to create cycles of condensation in the clouds, thus causing precipitation. However, the efficacy of this procedure is not proven.

However, after years of research and thanks to technological development, the National Meteorology Center of the United Arab Emirates has for the first time managed to produce artificial rain without chemicals. To do this, they used a group of drones that released an electrical discharge to the clouds, which caused the rain to be generated. This procedure must be very controlled, since the high temperatures in the area cause warm and humid air to rise from the surrounding cooler air present in the atmosphere, causing winds that can reach 40 km/h. In this way, the artificial rain that was achieved in Dubai was intense, making it difficult for vehicles to circulate in some areas.

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Experiments With Consequences

For its part, China has already announced last year that it will increase its cloud seeding. The Asian power has been trying to manipulate the climate for decades, and at the beginning of the last year 2021, it announced that it would increase its cloud seeding to reach 5.5 million square kilometers, only, in this case, China will continue to try it with chemical products.

This could have unpredictable effects on the environment, especially when it is intended to be installed systematically and not punctually. On the other hand, all the substances used in this process fall to the surface dissolved in the very precipitation it produces, potentially altering the biodiversity of the area.

Scientists also fear that this Chinese initiative will affect neighboring territories, such as the summer monsoon in India. The University of Taiwan also denounced that these experiments could mean a "rain theft".

Although the effectiveness of cloud seeding is not proven, scientists already warn that the manipulation of rainfall is not the solution to the real problem: climate change.

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