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behaviors

How Environmentally Friendly Are We? | Earth Wise

January 27, 2020 By EarthWise 1 Comment

Many of us are very concerned about the environment and want to try to do the right things as we go about our daily lives.  New research from the University of Gothenburg shows that we tend to overestimate just how much we are actually doing.

A study of over 4,000 people in United States, England, India, and Sweden revealed that most people are convinced that they act more environmentally friendly than the average person.  Their actions might include buying eco-labelled products, saving household energy, recycling, driving a hybrid or electric car, and reducing purchases of plastic bags.  Participants in the survey rated themselves as more environmentally active than other people, including both unknown people as well as their own friends.

The results are in keeping with a general tendency people have to overestimate their own abilities.  Studies over the years have shown that most people consider themselves, for example, to be more honest, more creative, and better drivers than others.  This sort of over-optimism apparently also applies to environmentally friendly behaviors.

The data from the survey revealed that the participants were more likely to overestimate their engagement in activities they perform often and draw the faulty conclusion that the things they do often, they in fact do more often than others.

A consequence of thinking that you are more environmentally friendly than other people is that it can reduce the motivation to act environmentally friendly in the future.  In fact, when we think we are more environmentally friendly than others, we actually end up becoming less environmentally friendly.

Logically speaking, the majority of people cannot be more environmentally friendly than the average person.  We are not living in Lake Wobegone where all children are above average.

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The majority consider themselves more environmentally friendly than others

Photo, posted March 6, 2014, courtesy of Karlis Dambrans via Flickr.

Earth Wise is a production of WAMC Northeast Public Radio.

Bird Migration And Climate Change | Earth Wise

January 22, 2020 By EarthWise Leave a Comment

bird migration climate change

A new study of bird migration shows the migration patterns are shifting as a result of climate change.   Researchers at Colorado State University, the University of Massachusetts, and the Cornell Lab of Ornithology, looked at the impacts of climate change on a continental scale.

The team looked at the nocturnal migratory behaviors of hundreds of species representing billions of birds using radar and other data.  They found that spring migrants are likely to pass certain stops earlier now than they would have 20 years ago.  Temperature and migration timing are closely aligned and the greatest changes in migration timing are occurring in regions warming most rapidly.  During the fall, shifts in migration were less apparent.

Migratory birds play an important role in ecosystems.  They consume insects, disperse seeds, and perform various other significant functions. Birds serve as critical metrics of the health of ecosystems.

Bird migration is a global phenomenon that can provide unique visibility into changes in the climate.  The ability to look at it on a global scale has only recently become practical as a result of big data technology and cloud computing.  The team was able to crunch the numbers for the study in 48 hours, a task that previously would have taken over a year of continuous computing.

The findings have implications for understanding future patterns of bird migration because birds depend on food and other resources as they travel.  As the climate changes, the timing of blooming vegetation or the emergence of insects may end up out of sync with the passage of migratory birds.  This could have negative consequences for the health of migratory birds.

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Bird migration timing skewed by climate, new research finds

Photo, posted November 5, 2019, courtesy of Jerry Kirkhart via Flickr.

Earth Wise is a production of WAMC Northeast Public Radio.

Outdoor Lights Dim Nature

August 8, 2016 By WAMC WEB

https://earthwiseradio.org/wp-content/uploads/2016/08/EW-08-08-16-Night-Lights.mp3

At night our planet is now bathed in artificial light, ranging from streetlights and floodlights to burning gas flares in oil fields. There are few places that are truly dark at night. 

[Read more…] about Outdoor Lights Dim Nature

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