Unless water use is drastically reduced, severe water shortage will affect the entire planet by 2040. "There will be no water by 2040 if we keep doing what we're doing today".
Only about three percent of Earth's water is freshwater. Of that, only about 1.2 percent can be used as drinking water; the rest is locked up in glaciers, ice caps, and permafrost, or buried deep in the ground.
While our planet as a whole may never run out of water, it's important to remember that clean freshwater is not always available where and when humans need it. In fact, half of the world's freshwater can be found in only six countries. More than a billion people live without enough safe, clean water.
Global fresh water demand will outstrip supply by 40% by 2030, say experts. The world is facing an imminent water crisis, with demand expected to outstrip the supply of fresh water by 40% by the end of this decade, experts have said on the eve of a crucial UN water summit.
When waters run dry, people can't get enough to drink, wash, or feed crops, and economic decline may occur. In addition, inadequate sanitation—a problem for 2.4 billion people—can lead to deadly diarrheal diseases, including cholera and typhoid fever, and other water-borne illnesses.
Unless water use is drastically reduced, severe water shortage will affect the entire planet by 2040.
Our planet may be blue from the inside out. Earth's huge store of water might have originated via chemical reactions in the mantle, rather than arriving from space through collisions with ice-rich comets.
Global water demand for all uses, presently about 4,600 km3 per year, will increase by 20% to 30% by 2050, up to 5,500 to 6,000 km3 per year. Global water demand for agriculture will increase by 60% by 2025. By 2050 the global population will increase to between 9.4 to 10.2 billion people, an increment of 22% to 32%.
Our Sun is middle-aged, with about five billion years left in its lifespan. However, it's expected to go through some changes as it gets older, as we all do — and these changes will affect our planet.
According to the U.S. Energy Information Administration's (EIA) International Energy Outlook 2021 (IEO2021), the global supply of crude oil, other liquid hydrocarbons, and biofuels is expected to be adequate to meet the world's demand for liquid fuels through 2050.
The Earth itself will not run out of water as it contains enormous quantities of H2O within its oceans, lakes, rivers, atmosphere, and even in the rocks of the inner Earth! Three-quarters of the globe is made up of our oceans.
Australia is also the driest continent inhabited by humans, with very limited freshwater sources. Despite the lack of freshwater, Australians use the most water per capita globally, using 100,000L of freshwater per person every year.
The quality of drinking water in Australia is generally high, with 93% of households having access to clean, safe drinking water.
3% of the earth's water is fresh. 2.5% of the earth's fresh water is unavailable: locked up in glaciers, polar ice caps, atmosphere, and soil; highly polluted; or lies too far under the earth's surface to be extracted at an affordable cost. 0.5% of the earth's water is available fresh water.
Across China, an estimated 80–90 per cent of groundwater is unfit for drinking, while half of its aquifers are too polluted to tap for industry or farming.
China's fresh water resources include 2500 cubic kilometers of mean annual run-off in its rivers and 828.8 cubic kilometers of groundwater recharge. As pumping water draws water from nearby rivers, the total available resource is less than the sum of surface and groundwater, and this is only 2,821.4 cubic kilometers.
While there are a few places that boast extremely clean water, such as Canada, Iceland, Antarctica, or even Upstate New York, the team of scientists determined that the cleanest water in the world was in the Patagonia region of Chile, Puerto Williams.
The simple answer is no. The whole world will never be underwater. But our coastlines would be very different. If all the ice covering Antarctica , Greenland, and in mountain glaciers around the world were to melt, sea level would rise about 70 meters (230 feet).
Yes, it is possible to make water. Water is made of two hydrogen atoms and one oxygen atom. The process to combine hydrogen and oxygen is very dangerous though. Hydrogen is flammable and oxygen feeds flames, so the reaction to create water often results in an explosion.