Warming Trends: Farming for City Dwellers, an Upbeat Climate Podcast and Soil Bacteria That May Outsmart Warming
A column highlighting climate-related studies, innovations, books, cultural events and other developments from the global warming frontier.
May 8, 2021
The inside of the Greenery S uses red and blue LED lights that are set to the most efficient wavelength to promote plant growth. Photo Courtesy of Freight Farms
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Farm in a Box
For those who want to start a farm but live in a city, a desert or perpetually cold region, this company will help you grow produce inside a shipping container.
The Greenery S is the latest generation of Freight Farms’ hydroponic farm, inside a 320-square-foot shipping container. It can grow several acres worth of food year-round, in a largely automated and highly efficient system, for $139,000. The vertical farms, which can grow food like spinach, basil and radishes, currently operate in 350 locations around the world.
April 28, 2021
New research suggests that loss of water on land through ice melting and human-caused factors is changing the movement of Earth’s North and South Poles.
Composite image built from 15 satellite passes shows the Arctic and northern latitudes. Image via Norman Kuring/ NASA/ GSFC/ Suomi NPP.
Glacial melting due to global warming is likely the cause of a shift in the movement of Earth’s poles that occurred in the 1990s, says a new study.
The locations of the North and South Poles are not fixed. Earth’s spin axis – an imaginary line that passes through the North and South Poles – is always moving, due to processes scientists don’t completely understand. The way water is distributed on Earth’s surface is one factor that causes the axis, and therefore the poles, to shift.
Climate Change Has Shifted the Axis of the Earth
New research says that the redistribution of water thanks to glacial melting driven by climate change has been causing the Earth to shift on its axis.
Image Credit: Song about summer/Shutterstock.com
The catastrophic effects of climate change on our planet cannot be overstated. But, new research shows that these effects could be even more fundamental than we previously knew.
The melting of glaciers brought about by global warming could have actually been causing shifts in the Earth’s axis of rotation. That is the conclusion of a new study that finds glacial melting has been the cause of movement in the Earth’s poles since the 1990s.
Rising global temperatures caused by humans are to blame for shifts in the Earth s magnetic field, a new study claims.
Chinese researchers reveal melting glaciers from climate change caused shifts in the Earth s mass in the mid-1990s.
This change in mass caused the movement of the magnetic poles to turn and accelerate eastward, they say.
Earth s magnetic north and south poles are constantly moving – a phenomenon known as polar wandering – unlike the geographic north and south poles, which stay in a fixed position.
Shifts in the geographic location of Earth’s North and South poles is called polar drift, or true polar wander. This illustration shows the change in position of the magnetic north pole
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