What The World Would Look Like With Rising Sea Levels – It is futile to try to predict upcoming climate changes. But the future, although fundamentally uncertain, is not entirely unknown. What happens with climate change will depend on the decisions of governments, businesses and civil society. In this article, we will discuss the various climate scenarios that may arise depending on the measures taken to combat them.
Since the beginning of the century, the scientific community has been warning about the consequences of a warming planet due to increased emission of greenhouse gases. We are already suffering from the consequences of global warming. How devastating they are in our hands. What climate scenario do we want to see ourselves in at the end of the century?
- 1 What The World Would Look Like With Rising Sea Levels
- 2 Planet Earth Through The Ages
- 3 The Streets Of Flooded San Francisco
- 4 Sea Level ‘doomsday’ Simulator Reveals If Your Home Would Be Wiped Out By Rising Oceans
What The World Would Look Like With Rising Sea Levels
In the last century, our planet has experienced a significant rise in temperature due to climate change: 1 degree Celsius since pre-industrial times. For now, the best scenario we can aim for – and should work towards – is what would happen if we limit temperature rise to 1.5°C above pre-industrial levels by 2100.
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To achieve this climate scenario, greenhouse gas emissions must be reduced rapidly in the coming years and reached zero by mid-century. There is no doubt that the role of renewables and plans such as the green recovery will be key. In addition, radical measures are needed to replace fossil fuels in transportation or to improve food production, avoid waste, and promote sustainable development.
In the Paris Agreement, ratified in 2015, the majority of the world’s countries (196 countries to be exact) agreed to keep the global temperature rise below 2 degrees Celsius and do their best to limit it to 1.5 degrees Celsius. It has been five years since the climate change mitigation agreement was ratified, and it appears that not all of its goals have been achieved.
The Intergovernmental Panel on Climate Change has already warned of the dire consequences that could occur if the increase reached this difference of half a degree, and even reached 2 degrees Celsius. About 37% of the world’s population will be exposed to extreme heat, and 410 million people will suffer from drought and water shortages. Every 10 years, we will experience an ice-free Arctic summer, sea levels will rise by 46 cm, and thousands of species will disappear with devastating effects on life on Earth.
Reality puts us in the third climate scenario. Although governments have heard what scientists and experts have warned about for decades, the measures taken are not sufficient. According to current plans, the world will warm to 2.8 degrees Celsius by the end of this century, nearly twice what the Intergovernmental Panel on Climate Change recommends.
Sea Level Rise Viewer
There remains a large gap between what governments have promised to do and the overall level of action they have taken so far. Current policies will lead us to exacerbate the consequences mentioned above: extreme weather events will increase, the melting of the poles will accelerate, sea level rise will exceed 60 centimetres, and the average duration of drought will reach 10 months in the most affected areas and days. The extreme heat would increase parts of Europe to 30 instead of 10 if the increase is limited to 1.5 degrees Celsius. In addition, an estimated 275 million people around the world live in areas that will eventually be flooded due to this increase in temperatures.
Imagine if governments and companies did nothing to combat climate change. To ignore the Paris Agreement or the analyzes of scientists and to continue to maintain the same system of production and consumption. What do you think the planet will be like in the year 2100? The worst climate scenario would put us in a position of real disaster.
In the absence of climate policies, global warming is expected to reach between 4.1 and 4.8 degrees Celsius above pre-industrial levels by the end of the century. According to a recent report by the World Economic Forum, the consequences of this increase would be catastrophic:
In short, the world as we know it would no longer exist and living conditions on this planet would be very difficult.
Planet Earth Through The Ages
Despite this bleak picture, experts still leave the door open for optimism. We know the likely climate scenarios that will unfold in the next 100 years. It is time to take action that will change the course of the planet and provide a sustainable future for all. Measures to reduce emissions and limit temperature increases and thus mitigate the effects of climate change. The maps here show the world as it is now, with only one difference: all the ice on land has melted and flowed into the sea, rising 216 feet and creating new shorelines for our continents and inland seas.
There are more than five million cubic miles of ice on Earth, and some scientists say it would take more than 5,000 years to melt it all. If we continue adding carbon to the atmosphere, we will very likely create an ice-free planet with an average temperature of perhaps 80 degrees Fahrenheit instead of the current 58 degrees Fahrenheit.
The entire Atlantic coast would disappear, as well as Florida and the Gulf Coast. In California, the San Francisco Hills will become a group of islands, and the Central Valley will become a giant bay. The Gulf of California will extend northward beyond the latitude of San Diego – not that there will be a San Diego.
The Amazon Basin in the north and the Paraguay River Basin in the south would become bays of the Atlantic Ocean, wiping out Buenos Aires, the coast of Uruguay, and much of Paraguay. Mountainous areas will continue along the Caribbean coast and in Central America.
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Compared to other continents, Africa would lose less land to an eventual sea-level catastrophe, but increasing global temperatures could render much of it uninhabitable. In Egypt, Alexandria and Cairo will be submerged due to the invasion of the Mediterranean Sea.
London? memory. Venice? The Adriatic Sea takes it. Thousands of years from now, in this catastrophic scenario, the Netherlands will have long since surrendered to the sea, and most of Denmark will have disappeared as well. Meanwhile, the expanding Mediterranean waters will also swell the Black Sea and Caspian Sea.
The country, where 600 million Chinese now live, will sink, as will Bangladesh, which has a population of 160 million, and most of the coastal areas of India. Flooding of the Mekong Delta would leave Cambodia’s Cardamom Mountains stranded as an island.
The desert-dominated continent would gain a new inland sea, but lose much of the narrow coastal strip where four out of five Australians now live.
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East Antarctica: The East Antarctica ice sheet is so large—it contains four-fifths of all ice on Earth—that it may seem insoluble. It has survived previous warm periods intact. Recently, it seems to be thickening a little – due to global warming. A warmer atmosphere holds more water vapor, which falls as snow in East Antarctica. But even this giant is unlikely to survive a return to the Eocene climate.
West Antarctica: Like the Greenland Ice Sheet, West Antarctica was much smaller during previous warm periods. They are endangered because most of them are found on rocks below sea level. A warming ocean causes the floating ice sheet itself to melt from below, causing it to collapse. Since 1992, the average net loss has been 65 million metric tons of ice per year.
Sources: Philippe Huybrechts, Vrije Universiteit Brussels; richard s. Williams, Jr., Woods Hole Research Center; James C. Zakos, University of California, Santa Cruz; US Geological Survey. NOAA, ETOPO1 BEDROCK, 1 ARC-MINUTE GLOBAL RELIEF MODEL Copyright © September 2013 National Geographic Society
Climate scientists’ forecasts paint a vivid picture of our future, hopefully inspiring us to change our ways – before it’s too late.
The Streets Of Flooded San Francisco
Melting fjords, increased avalanches, and endangered wild animals. Our photographer documented the effects of climate change across all four seasons in Svalbard, Norway.
Recent studies suggest that the water constantly flowing around the Atlantic Ocean could slow down as the climate warms, potentially causing global climate consequences.
For centuries, this amazing underground world has recorded the local climate and fascinated visitors. Now the features of the fairy tale are receding drop by drop. Rising sea levels could submerge coastal and land areas around the world – and a simulation tool reveals just how devastating it could be for you.
The FireTree Flood app will let you know if your home will be flooded by rising sea levels.
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Here’s what areas of the UK and Europe could look like with a 60m sea level rise. Credit: The Sun
Scientists generally agree that current levels of global warming mean that large portions of Antarctica’s ice are at risk of melting.
This would add large amounts of water to the ocean, raising average sea levels – and putting areas below sea level at risk of flooding.
The 2017 National Climate Assessment found that a 2.4 meter rise in water levels is possible by 2100.
Sea Level ‘doomsday’ Simulator Reveals If Your Home Would Be Wiped Out By Rising Oceans
A 2015 study published in the journal Science Advances suggests that if the entire Antarctic ice sheet melted, sea levels could rise by up to 58 metres, although this is almost impossible in our lifetime.
The FireTree Flood app uses Google mapping tools and NASA data to determine how sea level change will affect different areas of Earth.
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