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Stories 3 results of 34
Water loss may be changing the Earth's wobble
According to a report in Science, researchers have determined that water on land, which includes soil moisture levels, underground aquifers, lakes, rivers and other water-holding surfaces, has been declining. In fact, the water has gone down by “trillions of metric tons” within at least the last 20 years, which is believed to be having an impact on the Earth’s wobble.
New tornado outbreaks in the Midwest
Tornado and severe weather season in the central U.S. have ramped up this spring. Last week was especially tough as at least 50 twisters were reported from the Deep South northeastward into Michigan.
Are Earth's land areas getting drier?
We all know that water is essential to life on our planet as it supports ecosystems. Approximately 71% of the Earth is covered with this liquid, and it’s estimated that there are around 326 million trillion gallons of water on Earth. However, over 97% of this liquid is undrinkable salt water. The rest of it is freshwater, but around 68% of the planet’s freshwater is locked up in ice and glaciers. According to the USGS, if all the Earth’s water, which includes the freshwater sources and oceans, were put into a sphere, the diameter of this “water ball” would be about 860 miles across. Water is also being discovered outside our planet. In various forms, the liquid has been found in asteroids, comets, other moons and other planets that may possess subsurface oceans or even water vapor in their atmosphere.
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