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Global warming is the process of the rising temperature on earth and in the atmosphere since the beginning of industrialization.
Global warming is caused by humans.
The high amount of energy usage, agriculture, industry, traffic and housing all release greenhouse gases and speed up the greenhouse effect.

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Since 1950 the world‘s population has almost tripled.

As the population increases, problems such as ressource shortages arise as there are more people and less ressources, thus resulting in fewer ressources available per human.
Another example regarding the consequences of overpopulation is that since 1950, as the population has grown, the world has been destroyed more than in our entire 200.000-year history.
Today, more than half of the humans live in cities.

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Environmental consequences of ressource shortage

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Environmental consequences of ressource shortage

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Ressource shortage can have plenty of consequences, for convenience categorized them into two groups:
environmental and social consequences.

In the beginning we will address some of the environmental consequences.
In the last years the human population struggled with providing people with water over the entire planet. 785 million people lack access to clean water - that’s one in ten people-. Although this number has decreased since 2000 it‘s still alarming.
Even though water is essential to human life, over 70% of it is used for agriculture. Human population is rapidly increasing and the demand for water is rising even faster. In countries like India, this problem has already arrived. Over 600 million people living in India face extreme water stress.

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Now that we have explained some of the environmental consequences of ressource shortage, we will be focusing on some other consequences of ressource shortage.

When essential ressources like water become scarce the social consequences will be devastating. By around 2040 huge parts of the globe could face water shortage with extreme consequences. Like oil, water would become a resource that is heavily contested. Especially bodies of water that are shared by different countries possess a great risk for war. Rising population alone is proclaimed to increase the risk of cross-border conflicts by more than 50% and water shortage will only exacerbate this trend.

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Shenzhen is a city in China that inhabits millions of people and has hundreds of skyscrapers. Barely 40 years ago, the city was just a small and unknown fishing village.
In Shanghai 3000 towers and skyscrapers have been built in 20 years, hundreds more are under construction.

Today, over half of the world‘s 7 billion inhabitants live in cities.

New York, the world’s first megalopolis is the symbol of the exploitation of the earth‘s ressources to supply humankind‘s genius.
The city of Lagos had a population of 700.000 in 1960. As of today there are 14.9 million people living in the Nigerian city. Scientists predict that this number is going to rise to 16 million by 2025, 32.6 million in 2050 and 88.3 million in 2100.
One of the common problems you see in megacities is the inequality of the inhabitants. Often, there are parts of the city where the rich prosper, and only a few kilometers away, on the outskirts of the city, people live in poverty and have no access to clean water and food on a daily basis.
Furthermore, megacities tend to have a high crime rate and many violent crimes within the city.
In addition, high consumption in megacities has been found to increase the release of greenhouse gases, which leads us back to global warming.

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The greenhouse effect is a natural process that warms up the earth’s surface and atmosphere.
When sunlight reaches the earth’s surface, some of it is reflected back into space and the rest is absorbed by greenhouse gases.
This absorbed energy warms up the earth‘s surface and atmosphere.
The greenhouse effect is accelerated and intensified by the high usage of coal, fossil oil and gas which all release high amounts of carbon dioxide which is a greenhouse gas.
Deforrestation as an example also causes the earth to become warmer. The trees that turn carbondioxide into oxigen through photosynthesis are cut down causing more greenhouse gases to be released.

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The rising temperature that results from the high amount of greenhouse gases cause the polar caps to start melting.
In the last 40 years, Greenland and the Arctic have lost about 40% of its original thickness.
With less ice area, less sunlight is reflected back into space resulting in more sunlight being kept on earth and in the atmosphere causing the earth to heat up even more.

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With the polar caps melting, more water is released into the sea causing the overall sealevel to rise.
In the 20th century alone the sealevel has risen by 20cm.
The average sealevel rise from 1900 to 2000 was about 1.7 milimeters per year and from 1990 to 2010 it has risen to 3.2 milimeters per year. In 2021 it peaked at 3.7 milimeters.
This may not seem as if it was much, but that is 750 billion tons of ice each year, or 24000 every single day.

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Eventhough the progress we made in the development of alternative energy was quite large, 80% of our energy usage still comes from fossil energy.

The two big problems that come with fossil energy are for one, that they are finite and secondly that they are awful for the environment.

Talking about the limited amount, you come to realize that there is not much left. If we don’t drastically lower the usage of fossil energy, we won’t have anything left by 2090.

The second and most important problem is the harm it does to the environment. The immense use of fossil energy causes global warming, which has several terrible consequences.

Sadly, we are still very dependent on fossil energy, which also is expressed by China, which builds two new generators weekly.

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With the rising sea level more land will be covered by water and many people will lose their home and land.
Countries like Denmark or cities like Tokyo, that are very low compared to the sea level, will suffer enourmous damage if the sealevel keeps rising at this rate.
An increase of 2 meters is enough to cover more than 200 square kilometers of land in Japan alone.
It is estimated that by 2050 there will be more than 200 million climate migrants. The population is estimated to grow to 11 billion by 2100 and with even less land, the earth will be severly overpopulated.

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Alternative Energy:

Fossile Energy:
https://www.researchgate.net/figure/Depletion-rate-of-fossil-fuels-in-billions-TOE-with-passing-10-years-1_fig1_316062192

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https://www.webuildvalue.com/en/megatrends/future-megacities-of-the-world-discover-the-6-new-entries.html

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Six new megacities by 2030: Chicago, Bogotà, Luanda, Chennai, Baghdad, Dar es Salaam. The trend towards increasingly larger cities shows no signs of stopping, as the world's growing population keeps flocking to urban areas.
This seemingly unstoppable phenomenon started slowly at the beginning of the 1900s, when 15% of the global population lived in cities, large and small. That number is seen reaching 60% by 2030.

This tendency towards concentration has led to the emergence of the "megacity," huge urban agglomerations with more than 10 million inhabitants that rely on infrastructure to guarantee the coexistence of all these people. Roads, subways, railways, bridges, but also schools, hospitals and other public services are vital to making these cities liveable and sustainable.

The number of megacities is expected to grow from 33 to 39 by 2030, becoming home to 9% of the population and producing 15% of the world's gross domestic product (GDP), according to Euromonitor International, the research firm that conducted a demographic study looking at the next 10 years and picked out six cities destined to become megacities by 2030.

Six future megacities: will they be among the most populous cities in the world?

Chicago

For years, Chicago has witnessed a steady growth of its population, linked to its role as a transport hub for the United States. In the coming years, its population will exceed 10 million inhabitants, leading it to enter the megacity category and winning first place among the new megacities in terms of GDP equal to $595 billion in 2030.

Bogotà

Bogotà is destined to enter the ranks of the world's largest cities in the coming years, following in the footsteps of other cities in Latin America such as Mexico City, Lima, Rio de Janeiro, and São Paulo. Its GDP is an estimated $109 billion.

Luanda

This is the city with the highest population growth rate. By 2030, the number of residents of this large African city will increase by 60%. But it will not be enough for them to overtake Cairo, the continent's biggest megacity with an expected 29.8 million inhabitants.

Chennai

Located in the Bay of Bengal in eastern India, Chennai will be among the newest megacities with the highest population density. Although it is growing fast, its economy is limited, producing just $50 billion each year by 2030.

Baghdad

Iraq's largest city is already at eight million inhabitants, and its steady growth means that by 2030 it will exceed 10 million and join the megacity list.

Dar es Salaam

Tanzania's largest city has a high population growth rate, almost reaching Luanda's records. This lively city will have a low GDP at just $5 billion, but one that is constantly growing.

Megacities in the developing world

Although New York was the first megacity in history, exceeding 10 million inhabitants in 1950, the new behemoths are clustered in developing countries.
Of the 33 megacities on the planet, 26 of them are in developing countries - and so are five of the six megacities that will be created by 2030.
The largest number is concentrated in the Asia Pacific region, home to 19 of the 33 megacities. China and India lead the way, with six and four megacities, respectively.

Newest megacities are dwarfed by the largest

These soon-to-become megacities do not threaten to usurp the throne of the world's largest.
In 2030, Jakarta will be the world's largest megacity, with a population of 35.6 million people, surpassing Tokyo, now ranked first, which will lose ground as its population ages. Osaka, meanwhile, will become the megacity with the highest number of people over 65, or 31% of the inhabitants.
Lagos will see the highest rate of population growth, while Dhaka, Manila and Bangalore will see the greatest development as these cities economies double in size. This considerable but not always well-controlled development in many cases may risk fueling marginalisation and poverty. For example, the development of Lagos, in Nigeria, is contributing to the birth of Makoko, the largest slum in the world with a population destined to reach 400,000 people.
The richer megacities are growing, but the poorer ones are too -- so income inequality is destined to increase. In 2030 the average per capita GDP in megacities in developed countries will be four times greater than in developing countries.
This income inequality, however, does not stop people from flocking to these big cities to seek or enjoy their fortunes.

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Future Megacites: 6 new entries by 2030 - We Build Value

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Six new megacities by 2030: Chicago, Bogotà, Luanda, Chennai, Baghdad, Dar es Salaam. The trend towards increasingly larger cities shows no signs of stopping, as the world's growing population keeps flocking to urban areas. This seemingly unstoppable phenomenon started slowly at the beginning of the 1900s, when 15% of the global population lived in cities, large and small.

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https://www.google.com/search?q=ice+melting&rlz=1C9BKJA_enDE920DE930&hl=de&prmd=inv&source=lnms&tbm=isch&sa=X&ved=2ahUKEwit9qzz6sbyAhWcAWMBHc1HCRAQ_AUoAXoECAIQAQ&biw=1112&bih=719&dpr=2#imgrc=ldzBHrP85qoAlM

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https://www.google.com/search?q=klima+migrants&rlz=1C9BKJA_enDE920DE930&hl=de&tbm=isch&prmd=nisv&source=lnms&sa=X&ved=0ahUKEwiI7L6q78byAhXKSPEDHVEIDyUQ_AUIFSgC&biw=1112&bih=719&dpr=2#imgrc=gsOo0_L353w-mM

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Human-driven and natural loss of trees, the so-called deforestation affects wildlife, people, ecosystems and the climate.

Forests are inhabited by most of the world's land-bound plants and species. Over 80% of them have forests as their main living ground. Other than that, more than 2 billion people rely on forests for either shelter, food or -in most cases- both. In other words: forests are incredibly important not only to animals and biodiversity as a whole, but also humans. Deforestation is already destroying the habitats of millions of animals, diminishing biodiversity in the process. Every year, approximately four to six thousand rainforest species go extinct , with a rising tendency.
Other than impacting biodiversity, deforestation also heavily affects the climate and global warming. Deforestation and agriculture, that is in many cases directly linked to the cutting down of huge areas of forest make up 24% of the world's global greenhouse gas emissions.
Agriculture is also the biggest driver of deforestation, next to the need for wood and the paper industry. Forests are being cut down, to make room for crops and livestock. Especially in the rainforest, this is a huge problem, as the diversity of plants is diminished heavily. Plants as eukalyptus and palm trees leave no room for other plants, driving out animals in the process.
Another important factor to consider is soil erosion. A popular example for this occurance is Haiti, in which only 2% of the forests are left. This has resulted in hummus being washed away, losing all fertile soil in the process, resulting in hunger and the never-ending demand for imported products.

Despite all of these risks and dangers, over 13 billion hectare of forest are being cut down every year. The Amazon rainforest has lost almost 20% of its total area over the last 50 years and regions such as Borneo are in danger of losing most of their forests.

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Overfishing refers to the excessive depletion of the fish population in a body of water by fishing.
Overfishing occurs when more fish are permanently caught in a water body than grow back or immigrate through natural reproduction.

This is a relatively recent problem, as fishing has drastically increased over the last decades. Since 1950, fishing has increased by five fold and sea creatures are more endangered than ever. 3/4 of all fishing grounds are either already out of fish, or are in danger of being out of fish soon. This is not only extremely problematic due to the unbelievable damage it would do to the environment of the ocean, but humans would also suffer from it. One in five humans relies on fish as a main part of their diet. Should fish and most of sea creatures really go extinct, more than 1 billion humans would lose their main source of protein.
If we continue to empty out the oceans, like we are doing right now, it is possible that in the year 2048 the world's ocean could be virtually emptied from fish.

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https://www.google.com/search?q=global+warming&rlz=1C9BKJA_enDE920DE930&hl=de&prmd=invx&source=lnms&tbm=isch&sa=X&ved=2ahUKEwjnys64mMnyAhV8Q0EAHRUjCagQ_AUoAXoECAIQAQ&biw=834&bih=997#imgrc=uMcNf9l0n-TyKM

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https://en.m.wikipedia.org/wiki/Sea_level_rise#/media/File%3ANASA-Satellite-sea-level-rise-observations.jpg

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https://www.google.com/search?q=greenhouse+effect+industrie&tbm=isch&ved=2ahUKEwiT5YeXmsnyAhUKZhoKHX6iCsEQ2-cCegQIABAC&oq=greenhouse+effect+industrie&gs_lcp=ChJtb2JpbGUtZ3dzLXdpei1pbWcQAzIFCAAQzQI6CAgAEIAEELEDOgQIABBDOgUIABCABDoECAAQEzoGCAAQCBAeUMeCAVixlwFgrp4BaABwAHgAgAGxAYgBnQiSAQMwLjiYAQCgAQHAAQE&sclient=mobile-gws-wiz-img&ei=8agkYdOoKorMaf7EqogM&bih=997&biw=834&prmd=ivn&rlz=1C9BKJA_enDE920DE930&hl=de#imgrc=cNUH3Y5hhlB-OM

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Eventhough we heard shocking facts about the current state of our world, there are certain things that are going well.
The percentage of children going to school is on an all-time high. At the moment, 4 out of 5 children regularly go to school. We have countries like Lesotho that proportionally spend the most money on education or governments like the one of Costa Rica that decided to abolish their army and instead invested that money in education and in saving the environment. Qatar is also working on building a large university, again underlining the importance of education and culture to several governments.

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https://www.thelordsnewchurch.org/schools-230160.html

https://www.usatipps.de/reiseziele/nationalparks/yosemite-nationalpark/

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The Lord's New Church Which is Nova Hierosolyma

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Primary and High School in Lesotho, Africa

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As mentioned before, politicians and their governments spend more effort and money than ever on working on saving the environment.
The extension of national parks shows that countries care about nature and the environment.
At the current state, national parks make out 13% of the continent's surface and are financially strongly supported by the state they are located in. They are there to create a bond between humans and the earth and a certain harmony.

Because of a national program, it was possible to completely rebuild the forest located in South Korea that was destroyed by the war.
Besides certain national programs aiming to save the environment, there are several other ngo's also working on the same goal and proving how strong the bond of solidarity among us humans really is.

Eventhough there is much that is going wrong currently, "It's too late to be a pessimist" and we have to look into the future and work on doing things better than we currently are to save our environment!

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In the past few years, the progress in the area of alternative eco-friendly energy was immense.
One main way of producing alternative energy is through the power of wind. In June 2021 there were roughly 29 thousand wind turbines operating in Germany alone. Spread around the world, there are hundreds of giant wind turbine farms in use, creating alternative energy.
20% of the energy used in Denmark is produced by wind turbines. Spain, India, USA, China, and Germany are big investors supporting the research and innovation of wind as an alternative source of energy.
Another huge power supplier of energy is the sun.
In one hour, the sun produces enough energy to cover the yearly usage of the whole world.
This is why many countries have installed large solar farms and are working on the extension of these. In addition to that, countries have introduced programs that should motivate people to build solar plates on their own houses, supporting eco-friendly energy use.
Next to these two power sources, there are other possibilities of creating renewable energy, which aren't as popular yet.
There are sea snakes that absorb the power of the waves, or generators that are powered by the natural heat of the earth.
The progress which that made in the past few years was only possible because of countries like Austria, Sweden, New Zealand and several others that set the development of alternative energy as their top priority and invested much money in making the current progress possible and continue investing money to create even more innovation.