Some island states of Oceania may disappear entirely. If sea levels rise by one meter in Europe, some 13-15 million people in existing or potential flood zones could be forced to leave their homes. In Asia, it is already affecting the extremely populous deltas of large rivers, such as the Ganges delta in Bangladesh and The Aquifers in central China. Rising global sea levels are less visible to the eye than many other effects of climate change. But these, like other problems, have accelerated significantly in recent decades. According to scientists, even in an ideally favorable scenario, sea levels will have risen by more than a meter by the end of the century. In the worst-case scenario , they will reach 2 feet by 2050 and 1.5 meters by 2100 approximately 5 feet.
This will lead to the flooding of vast and densely populated areas. Some island states of Oceania may disappear entirely. The President of the World Bank Group, is very clear in his foreword of a recent report factoring the increased speed of global warming : The explored consequences of an increase of the global earth temperature3 - 4 degrees C (if it continues the way it is now) are indeed devastating. A major portion of Spain is currently becoming desert permanently it is in the midst of an environmental catastrophe! Deserts now cover more than a third of the Earth's surface, affecting over 2.6 billion people in 110 countries.
If sea levels rise by one meter in Europe, some 13 million people in existing or potential flood zones could be forced to leave their homes. The IPCC doomsday scenario for sea level rise in the next century is about 2 feet, or 2/3 meter. The speed of rise is dependent upon the rise of heat across the globe. So far we have done practically nothing to stop global warming big utility companies and oil and gas concerns routinely lie with the aid of paid of politicians to protect their profits regardless of the impact it will have on the future. Their attitude of greed and selfishness borders on suicide or insanity. Moreover, international law does not currently address such situations as the loss of territory due to the effects of climate change. The continent least affected by climate change will be Africa.
In Asia, it will affect the extremely populous deltas of large rivers, such as the Ganges delta in Bangladesh. This could also result in new conflicts fueled by increased poverty, low resources, and ethnoreligious tensions. According to UN data, China is already the most exposed country in the Asia–Pacific in terms of the number of climate disasters and the number of affected people—by mid-century, 85% of China's population will be exposed to climate-related hazards. Climate models predict we’re currently on track for a heating of somewhere between 3C and 4C for 2100, although bear in mind that these are global average temperatures – at the poles and over land (where people live), the increase may be double that.
Predictions are tricky, however, as temperatures depend on how sensitive the climate is to carbon dioxide (CO2). Most models assume that it is not very sensitive – that’s where the lower 3C comes from – but a whole new set of models that was published in 2021 finds much greater sensitivity. It put heating at around 5C by the end of the century, meaning people could be experiencing as much as 10C of heating over land. Many leaders aren't being truthful to the public lest people begin to use green technologies that take profits away from big oil, gas, and nuclear.
Four degrees may not sound like much – after all, it is less than a typical temperature change between night and day. It might even sound pleasant, like retiring from the UK to southern Spain. However, an average heating of the entire globe by 4C would render the planet unrecognizable from anything humans have ever experienced. The last time the world was this hot was 15 million years ago during the Miocene era, when intense volcanic eruptions in western North America emitted vast quantities of CO2.
Sea levels rose some 40 meters higher than today and lush forests grew in Antarctica, the Sahara and the Arctic. However, that global heating took place over many thousands of years. Even at its most rapid, the rise in CO2 emissions occurred at a rate 1,000 times slower than ours has since the start of the Industrial Revolution. Our change in climate is at a light speed pace and as such much of the life on the planet may not be able to adapt even humans in the animal kingdom we already see the loss of many albinoid and arctic species that had no natural protection from sunlight. Next we are seeing a drastic die off of marine life and algae that give us the air we breathe. The slower rate of climate change before mankind used fossil fuels gave animals and plants time to adapt to new conditions and, crucially important, vital ecosystems had not been degraded by humans.
Dozens of famous European landmarks could sink below sea-level if global temperatures rise by more than 1.5°C and we are due to pass that mark before 2050! Iconic sites like Buckingham Palace, Barcelona Cathedral and Big Ben would be submerged. France, Italy, Belgium, Russia, Spain, United Kingdom are the European regions most at risk from floods and sea level rise. One Scottish county is forecast to have its climate change damage risk triple by 2050 from 1990, the biggest jump in Europe. The areas expected to experience the most damage are in northern Germany, northern Italy and northern France. Some places in Europe which are below sea level may cease to exist! Western Europe's two lowest points are split between two areas in Denmark and the Netherlands, each 23 feet (7 meters) below sea level.
Fifty major cities, mostly in Asia, would need to mount “globally unprecedented defenses” to survive, they found, while many small island nations face near-total loss of their land.
Oceania is a geographical region that is described as a continent in some parts of the world. It includes Australasia, Melanesia, Micronesia, and Polynesia. Spanning the Eastern and Western hemispheres, at the center of the water hemisphere, Oceania is estimated to have a land area of 8,525,989 square kilometers (3,291,903 sq. miles) and a population of around 44.4 million as of 2022. Oceania is described as a geographical region in most of the English-speaking world, but outside of the English-speaking world, Oceania is described as one of the continents. In this model of the world, Australia is only seen as an island nation contained inside of the continent of Oceania, and not a continent by itself. When compared to the other continents, Oceania is the smallest in land area and the second-least populated after Antarctica.