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Here Come The Lanternflies | Earth Wise

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The spotted lanternfly is an invasive pest from Asia that primarily feeds on tree of heaven, which is itself an invasive species that has become widespread.  The real problem is that the lanternfly can also feed on some 70 other plants such as grapevines, maples, fruit trees, and more.

The lanternfly was first discovered in the US in Pennsylvania in 2014 and has since spread to 14 states including New York, Massachusetts, Connecticut, and Rhode Island.  (It was first spotted in New York in Staten Island in 2020 and has continued to spread).

The insect poses a significant threat to New York’s agricultural and forest health. Both the adults and nymphs feed on the sap of plants which stresses them making them vulnerable to diseases and other insect attacks.  They also secrete a sticky substance that attracts molds and interferes with photosynthesis.

Lanternflies are not strong fliers.  They mostly spread through human activity by laying their eggs on vehicles, firewood, outdoor furniture, and other objects that people transport.

The bout of unusually warm weather that the Northeast experienced in early spring is likely to have jumpstarted the spotted lanternfly timeline and hatching could be bumped up to as early as May.

Agriculture officials are asking for people to look for spotted lanternfly egg masses and scrape them off with implements with a sharp edge.  Adult insects should be reported to local authorities and should be killed if at all possible.  There is lots of information online about how to recognize the egg masses and the insects.  Spotted lanternflies are not a direct threat to humans, but they have the potential to cause great harm to vineyards, orchards, and forests.

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Spotted Lanternfly

Photo, posted September 12, 2018, courtesy of the U.S. Department of Agriculture via Flickr.

Earth Wise is a production of WAMC Northeast Public Radio

Spending Habits And Carbon Emissions | Earth Wise

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According to a new Swedish study recently published in the Journal of Industrial Ecology, men spend their money on greenhouse gas-emitting goods and services, such as meat and fuel, at a much higher rate than women. 

The study looked at the carbon emissions created by consumption among categories like food, clothing, furniture, and vacations to see if households could reduce their greenhouse gas emissions by buying different products and services.  The research team reviewed Swedish government data through 2012 and analyzed the spending habits of households, single men, and single women. 

According to the study, single Swedish men spent about 2% more money overall than single Swedish women.  But the stuff that the men bought created 16% more greenhouse gases than the stuff that the women bought.  That’s because men were more likely to spend money on high-emitting categories, like fuel for cars, while women spent more on less-emitting categories like furniture, health care, and clothing. 

For both men and women, vacations were a major source of emissions, accounting for approximately one-third of their total carbon footprint. 

While the carbon impact of men’s and women’s diets were nearly equal, men spent more money on meat while women spent more on dairy.  Both meat and dairy production are major sources of global greenhouse gas emissions.   

The study found single people were responsible for more greenhouse gas emissions than married people or people in households. 

According to the research team, people could decrease their carbon emissions nearly 40% by making more environmentally-friendly choices, including switching to plant-based foods and traveling by train as opposed to flying or driving when possible. 

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Men have a bigger carbon footprint than women, climate study finds

Photo, posted June 17, 2012, courtesy of Stephen Ausmus/USDA via Flickr.

Earth Wise is a production of WAMC Northeast Public Radio.

Indoor Pollution

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We mostly think of air pollution as an outdoor problem.   The primary culprits are vehicle and factory exhaust as well as occasional wildfire smoke.  What we don’t think about is the air quality inside our own homes.

Researchers at Washington State University have found that indoor pollution levels can be surprisingly high and that they vary throughout the day and increase as temperatures rise.

Indoor air pollution comes from a variety of sources, including building materials, furniture, household chemical products, and from activities like cooking.  One of the most serious pollutants is formaldehyde, which often is emitted from gypsum wallboard.  About half of the gypsum used in homes as drywall is made from waste products from the coal industry.  When the material is heated, formaldehyde and possibly even mercury can be emitted.

Pollutant levels rise in homes as temperatures increase.  Thus, the highest levels of pollution occur in the afternoon and the lowest are in the early morning.  Before this research, manufacturers and builders assumed that pollution levels were pretty much constant over time.

Building laws require that homes are structurally sound, and that people are comfortable, but there is little regulation of air quality in people’s homes.  One of the best ways to clear out harmful chemicals is with ventilation to the outdoors.  But with increased concern about reducing energy use, builders are making homes more airtight, which may inadvertently be worsening the problem.

We need to balance making more energy efficient homes with protecting our health by being aware of the dangers that lurk in the air in our homes.  Running the air conditioning or opening windows are good things to do.

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Researchers uncover indoor pollution hazards

Photo, posted October 14, 2010, courtesy of Flickr.

Earth Wise is a production of WAMC Northeast Public Radio.

Repurposing Ocean Plastic

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Scientists estimate that there is more than 165 million tons of plastic swirling about in our oceans today.  And another 8.8 million tons of plastic ends up in oceans every year.  According to a recent report from the World Economic Forum and the Ellen MacArthur Foundation, there could be more plastic by weight than fish by 2050 if current trends continue. 

[Read more…] about Repurposing Ocean Plastic

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