On Saturday, let's lighten our minds and read the report of The United Nations Environment Agency (UNEP) issued a warning last year that the world is on the brink of a sand crisis.
I'm still confused as to how the sand will disappear from the world.
But after reading and reading, it's also worrying.
Today, as a result of urban expansion
from the expansion of the world population
Expanding global growth over the past 20 years
Causing us to use up to 50 billion tons of sand per year or about 17 kg / person / day
Because sand is the main raw material of concrete and cement.
that gave birth to major cities around the world
New York City (USA), Shanghai (China), or any other metropolis are all formed from enormous sand.
Until at some point, the production of glass, wine glass bottles, glass bottles containing vaccines was in shortage due to insufficient sand.
or even a laptop screen
smartphone screen
They are all made of sand.
And who would have thought that cosmetic products use silica sand?
It is a viscosity enhancer.
and stability in cosmetics such as toothpaste, lipstick and shower gel.
While in today's world, chips are essential components of mobile phones, EV cars, electrical appliances, computers, all of them cannot live without chips.
And chips are made from the main raw material is sand.
including semiconductors
It's produced from sand.
We may see that the world has enormous amounts of sand in the seas, oceans, or deserts.
But these sands cannot be used.
Because through natural corrosion by wind, sunlight and sea water, resulting in smoothness
insufficient adhesion force
The Burj Khalifa, Dubai's tallest building in the world.
The terrain is full of deserts.
Still have to import sand from Australia, which is more than 10,000 kilometers away for construction.
With the amount of sand we have to use more, more and more.
causing the United Nations (UN) to worry that it could lead to disaster
of humanity
Because the grains of sand contain nutrients that are important for the growth of young fish.
maintaining water balance
If too much is dug out
wastewater receptacle area
will result in more frequent and severe flooding
For example, in the case of sand mining in Sri Lanka.
change the tide
More sea water approaches the shore.
It is a picture that I have seen until I am familiar with Bang Ban District, Phra Nakhon Si Ayutthaya Province, my home, including nearby districts, whether it is Sena, Phak Hai, filled with dozens of sand wells.
It is an important source of sand production in the country.
One day, there is a 10-wheeler trailer carrying sand for almost a thousand trips.
Think about how huge the amount of sand would be.
Some countries are starting to think of ways to use less natural sand, such as China and the US, by crushing old rock or concrete that has been demolished into smaller aggregates, such as gravel or even sand.
can be mixed to use as concrete
Small grains of sand are still important to human life.
solar fire