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Clean Energy From North Africa | Earth Wise

April 7, 2023 By EarthWise Leave a Comment

Europe turning to North Africa for its clean energy needs

Europe is hungry for clean energy.  The war in Ukraine has amplified Europe’s desire to end its reliance on Russian natural gas.  Increasingly, Europe is pushing to install giant solar energy farms in sunny North Africa and transport the energy through underwater cables.

Solar panels in sunny North Africa generate up to three times more energy than those in Europe.  As a result, solar farms and wind farms as well are proliferating south of the Mediterranean Sea.  Morocco’s Noor and Egypt’s Benban solar farms are among the largest in the world.  Many of these farms were initially built to boost domestic power supplies and reduce dependence on coal.  But now these farms are increasingly supplying green energy to industrial neighbors in Europe.

Morocco has signed deals with the European Union to expand power exports.  Egypt is considering proposals for cables to link to Greece.  Another planned cable would link new solar farms in Tunisia to Italy’s grid.  These projects would certainly bring money and jobs to North African countries, but it isn’t all good news.

There are growing concerns about the environmental impacts of Europe outsourcing its energy needs.  Desert ecosystems could be greatly compromised.  And much of this development is likely to happen with only minimal community consultation or ecological assessment.  Half of Africa’s population does not have access to reliable power grids. Electricity becoming a major export is not likely to improve this situation.

Europe has long obtained many resources from the developing world.  Now it is tapping into the sunshine and wind in other lands.  It remains to be seen if North Africa’s countries will achieve the large potential gains those resources can offer them.

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In Scramble for Clean Energy, Europe Is Turning to North Africa

Photo, posted October 17, 2019, courtesy of Richard Allaway via Flickr.

Earth Wise is a production of WAMC Northeast Public Radio

Saharan Dust And The Amazon | Earth Wise

October 23, 2020 By EarthWise Leave a Comment

Saharan dust and the amazon

We talk about globalization primarily in the context of how human activities connect up distant parts of the world.  But there are natural processes that are global in scope as well.  One of these is the transportation of mineral-rich dust from the Sahara Desert in North Africa to the Amazon Basin in South America.

Every year, this dust is lifted into the atmosphere by winds and carried on a 5,000-mile journey across the North Atlantic.  It turns out that this dust plays a critical role in the Amazon basin ecosystem.  The Amazon Basin in turn plays a major role in global climate.  Its trees and plants remove huge quantities of carbon dioxide from the atmosphere and stores the carbon in vegetation.

The transcontinental journey of dust is important because of what is in the dust.  The dust picked up from ancient lake beds in Chad comes from rock minerals formed by dead microorganisms and is loaded with phosphorus.  Phosphorus is an essential nutrient for plant growth and is in short supply in Amazonian soils.  Local nutrients like phosphorus in the Amazon mostly come from fallen, decomposing leaves and organic matter but tend to be washed away by rainfall into streams and rivers. 

Studies have shown that the phosphorus that reaches Amazon soils from Saharan dust is essential to replace the amounts lost to rain and flooding.

Recent research has found that the quantities of dust transported to South America are inversely linked to rainfall in North Africa and is likely to be affected by climate change.  Changes in dust transport could affect plant growth in the Amazon and the amount of CO2 removed from the atmosphere.  The forces that affect the climate are truly global in nature.

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Study quantifies Saharan dust reaching Amazon

Photo, posted April 19, 2011, courtesy of CIAT via Flickr. Photo credit: ©2011CIAT/NeilPalmer.

Earth Wise is a production of WAMC Northeast Public Radio.

Wilderness Lost

October 10, 2016 By WAMC WEB

https://earthwiseradio.org/wp-content/uploads/2016/10/EW-10-10-16-Wilderness-Lost.mp3

Wilderness areas are strongholds for biodiversity.  They buffer and regulate local climates, and they support many of the world’s most politically and economically marginalized communities.  While there is a great deal of attention being paid to the loss of species around the world, there is relatively little focus on the loss of entire ecosystems.  Simply put, wilderness is on the decline, and it has been ever since human civilization began its inexorable expansion.

[Read more…] about Wilderness Lost

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