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Floating Homes In The Netherlands | Earth Wise

January 24, 2022 By EarthWise Leave a Comment

The Netherlands is a country that is largely built on reclaimed land and a third of it remains below sea level.  The Dutch have long experience with dealing with rising waters.  The city of Amsterdam has almost 3,000 houseboats in its canals.

As sea levels continue to rise across the globe, it is no surprise that the Dutch have taken the lead in creating communities composed of floating houses and buildings.

A floating house is a structure fixed to the shore, often resting on steel poles, and usually connected to the local sewer system and power grid.  They are much like ordinary houses except that instead of a basement, they have a concrete hull that acts as a counterweight, allowing them to remain stable in the water.

The ones in the Netherlands are often prefabricated, square-shaped, three-story townhouses.  Rotterdam, which is 90% below sea level, is home to the world’s largest floating office building as well as a floating farm.

Floating buildings have their challenges, not the least of which are the effects of severe wind and rainstorms, or even the passing of large ships which can make the buildings rock.  Infrastructure like electricity and sewer service is not that simple to implement for the buildings.  But the benefits of floating buildings may outweigh the costs.

For cities facing worsening floods and a shortage of buildable land, floating homes are a potential solution for expanding urban housing in the age of climate change.  Dutch engineers are spearheading floating building projects in Britain, France, and Norway, as well as in threatened island locations like French Polynesia and the Maldives.

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Embracing a Wetter Future, the Dutch Turn to Floating Homes

Photo, posted May 23, 2007, courtesy of Jeff Hutchison via Flickr.

Earth Wise is a production of WAMC Northeast Public Radio.

Nanoplastics In The Air | Earth Wise

December 17, 2021 By EarthWise Leave a Comment

Austria, Silvretta mountains

The world is awash in plastic.  Discarded plastic litters our roadways, woodlands, and beaches.  It piles up in landfills.  Plastic enters the oceans by the millions of tons.  And plastic is finding its way even to remote and supposedly pristine parts of the world.

A team of researchers has found nanoplastics at the isolated high-altitude Sonnblick Observatory in the Austrian Alps.  This is the first time the particles were found in the area.  The researchers were looking for certain organic particles and only found the nanoplastics by chance.

The detected plastic particles were less than 200 nanometers in size, about one hundredth the width of a human hair.  It is highly unlikely that such particles originated in remote Alpine areas.

The researchers were looking for organic particles by taking samples of snow or ice, evaporating them, and then burning the residue to detect and analyze the vapors.  They described the detection method as essentially like a mechanical nose.  In this case, the nose smelled burning plastics in the form of polypropylene and polyethylene terephthalate.

Looking into the issue, the researchers found a strong correlation between high concentrations of nanoplastics and winds coming from the direction of major European cities – especially Frankfurt and the industrial Ruhr area of Germany, but also the Netherlands, Paris, and even London.

Modeling supports the idea that nanoplastics are transported by air from distant urban places.  This is particularly worrisome because it means that there are likely hotspots of nanoplastics in our cities and in the air that we are breathing.  Plastics appear to be everywhere.

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Nanoplastics found in the Alps, transported by air from Frankfurt, Paris and London

Photo, posted July 1, 2013, courtesy of Robert J. Heath via Flickr.

Earth Wise is a production of WAMC Northeast Public Radio.

The Hottest Month Ever

August 27, 2019 By EarthWise Leave a Comment

European climate researchers announced that July was the hottest July ever recorded and since July is generally the hottest month of the year, it was indeed the hottest month ever recorded.  It just barely beat out the previous record set in July 2016.  There are multiple agencies that track temperatures around the world, and it is possible that some of them may report slightly different results. 

But whatever July’s ultimate ranking is, it is part of a long-term trend.  The past five years have been the hottest on record.   The 10 hottest years ever recorded have all occurred during the past twenty years.

This June was also the warmest on record, and the previous five months were all among the four warmest for their respective months.  All of that puts this year on track to be in the top five warmest years, or perhaps the hottest ever.

The highest above-average conditions were recorded across Alaska, Greenland, and large areas of Siberia.   Large parts of Africa and Australia were warmer than normal, as was much of central Asia.  New temperature records were set in Belgium, the Netherlands, and Germany with temperatures over 104 degrees Fahrenheit.  Great Britain saw an all-time record of 101.7 degrees and Anchorage, Alaska stayed above 79 degrees for a record six days in a row.

Wildfires have raged across the Russian Arctic, India has suffered heatwaves and severe water shortages, and Japan saw more than 5,000 people seek hospital treatment during a heatwave.

While scientists cannot directly link any particular heatwave to climate change, the trend for new heat records is likely to continue and accelerate unless we do something about curbing greenhouse gas emissions.

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How Hot Was July? Hotter Than Ever, Global Data Shows

Photo, posted May 25, 2019, courtesy of Jakob Montrasio via Flickr.

Earth Wise is a production of WAMC Northeast Public Radio.

The Largest Offshore Wind Farm

July 30, 2019 By EarthWise 1 Comment

The world’s largest offshore wind farm recently began operations in the North Sea, a notoriously gusty stretch of open water that has become home to multiple large wind farms.  The new Hornsea One wind farm is located 75 miles off the east coast of Yorkshire in the United Kingdom.

The first 50 turbines are now in operation and are generating electricity for up to 287,000 homes.  When the farm is completed sometime next year, it will have 174 turbines with a total capacity of 1.2 gigawatts, enough to power a million homes.  The farm will send electricity to the UK, Netherlands, Belgium, Germany, and Scandinavia.  The Hornsea One farm will have more than twice the capacity of the current largest offshore operation, which is also in the UK.

Because the farm is so far from shore, teams of workers will live at sea for two to four weeks at a time maintaining it.  Such operations are unprecedented and required new ways of operating to overcome the logistical and technical challenges of operating a massive power station far from land.

The UK has the largest offshore wind generating capacity in Europe, now more than 8.2 gigawatts and accounting for 44% of Europe’s offshore wind capacity.  All that capacity is one of the big reasons that the UK has been successfully weaning itself off of coal for increasingly long periods of time.

Meanwhile, the US continues to lag far behind in offshore wind with a grand total of 0.03 gigawatts of installed capacity.  That situation may be changing after the federal government auctioned off 3 major tracts of ocean late last year that potentially could generate over 4 gigawatts of power if fully developed.

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The World’s Largest Offshore Wind Farm Just Came Online

Photo credit: Hornsea Project One.

Earth Wise is a production of WAMC Northeast Public Radio.

Renewables Beat Out Coal In Europe

March 5, 2018 By EarthWise 1 Comment

https://earthwiseradio.org/wp-content/uploads/2018/03/EW-03-05-18-European-Renewables-Beat-Coal.mp3

Last year was the first year in which more electricity in Europe was generated from the combination of wind, sun, and biomass than from coal.  The combination of all clean energy sources (which adds hydropower to the mix) surpassed coal several years ago.

[Read more…] about Renewables Beat Out Coal In Europe

Major Investments In Solar Power

February 22, 2018 By EarthWise Leave a Comment

https://earthwiseradio.org/wp-content/uploads/2018/02/EW-02-22-18-Major-Investments-in-Solar-Power.mp3

There is big money going into renewable energy and energy-smart technologies and half of that is going into solar power.  In 2017, global investments in green energy reached $334 billion and $161 billion of that was in solar.

[Read more…] about Major Investments In Solar Power

Wind-Powered Trains

March 3, 2017 By EarthWise

https://earthwiseradio.org/wp-content/uploads/2017/03/EW-03-03-17-Wind-Powered-Trains.mp3

The Netherlands – the country long associated with picturesque windmills – is now operating 100% of its electric trains with wind energy.

[Read more…] about Wind-Powered Trains

Solar Roadways

March 2, 2016 By WAMC WEB

https://earthwiseradio.org/wp-content/uploads/2016/02/EW-03-02-16-Solar-Roadways.mp3

France’s roadways are known both for their historic cobblestone streets and infamous traffic jams.  But French officials recently decided to forgo the traditional brick and pavement in order to capitalize on all the vehicle traffic.

[Read more…] about Solar Roadways

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