Category Archives: Science/Nature

Global warming over the past 100 years

By Nora Doyle and Liv Miller

Global warming, by definition, is the unusual rapid increase in the earth’s average surface temperature over the past century. There are many different views and opinions regarding climate change and how much of an impact it has, or will cause, on the earth. Whether we choose to believe it or not, global warming is a huge issue affecting our earth and it’s only getting worse, and needs to be resolved.

To break it down, there are certain gasses in the atmosphere called greenhouse gasses. According to Biologicaldiversity.com, those gasses allow shortwave radiation from the sun to pass through the atmosphere and warm the Earth’s surface. The energy that then radiates from the surface is called “long wave radiation”. That radiation is trapped in by the greenhouse gasses and then warms the land, oceans, and air. This whole process is called “the greenhouse effect”. The greenhouse effect is not bad in itself, it actually is what keeps our earth warm, and we wouldn’t be able to survive without it. It’s when coal, oil, and natural gasses are burned at such a high rate that start to create a problem because they are sending enormous amounts of greenhouse gases to the atmosphere that can’t be absorbed quickly enough. This is what is causing global warming.

Scientists have said that global warming most likely started around the late 1800s, but recently, they have been led to believe that it could have started even before that, around the early 1800s.

As far as to when it was discovered, there were many people who had findings of global warming, but their ideas weren’t fully processed so it never was made public. There were many events that led up to how global warming was made an issue. There was never a breakthrough to some long awaited mystery as to why the earth was getting warmer, as much as multiple scientists, mathematicians, etc. were piecing together findings over the years. But according to Theguardian.com, there was a Swedish chemist by the name Svante Arrhenius who “became the first to quantify carbon dioxide’s role in keeping the planet warm. He later concluded that burning of coal could cause a “noticeable increase” in carbon levels over centuries.” So, if you are searching for a founder there’s your guy.

According to the National Centers for Environmental Information, the August 2020 average global land and ocean surface temperature was +0.94 degrees celsius (1.69 degrees F) above the 20th century average of 12.7 degrees C (54.9 degrees F). This year’s temperature increase is the second highest temperature since global records began in 1880. Only August 2016 was warmer with an average temperature of +0.98 degrees C (1.76 degrees F). Since 1880, the global temperature has increased by 0.8 degrees C or 1.4 degrees F.

Why should we be concerned about a 1 degree increase in global temperature? Well, according to ‘The World Counts,’ “global temperature primarily depends on the amount of energy it receives from the sun and how much of it is radiated back into space.” The numbers should barely, if even at all, change, unless there is another factor “affecting the change in temperature. The amount of energy that the planet radiates back into space is dependent upon the chemical composition of our atmosphere – like greenhouse gases.”

So if this is such a disaster, what are we doing about it now? Short answer; clearly not enough. Although, according to ‘National Geographic,’ countries around the world did acknowledge that they needed to do something about climate change back in 2015 with the Paris Agreement. This agreement was to make pledges to reduce greenhouse gas pollution.

Scientists are also currently “working on ways to sustainably produce hydrogen, most of which is currently derived from natural gas, to feed zero-emission fuel cells for transportation and electricity. Other efforts are aimed at building better batteries to store renewable energy.”

People are switching to solar powered energy as well. There are many organizations that are trying their best to raise awareness and collect donations to stop climate change. If more people believed in it and participated, we could maybe start to see some real change.

Another topic of discussion is about what happens if we do something about climate change and why we should. We should take action against climate change because it affects our oceans, our weather, our food sources, and our health. Sheets of ice like in Greenland and
Antarctica are melting. The new water from melted glaciers causes sea levels to rise and spill out of the oceans causing floods. Warmer temperatures cause extreme weather. This extreme
weather includes droughts that make it harder to grow crops. Water supplies are limited for plants and animals. If we don’t do anything about it, all of these things will get much worse,
putting all lives on earth at danger.

Burning wastes and its effects

By Olivia Kendle

Many people think that it is a good idea to burn trash rather than put it in a landfill. Many parts of the country have waste incinerators to burn much of their trash. This article will look at how waste incinerators might not be the best way to handle trash.

First of all, the economics of incinerators might not be as good, because they are more expensive to run, and they are risky investments. Tip fees, which are the fees paid by the trash haulers, are more expensive than the alternative of composting and/or recycling. In one city, they discovered that recycling $18 per ton, and incineration cost $50 dollars per ton.  

Incinerators are also another form of environmental injustice. The people working and living by the incinerators are often exposed to toxic pollutants such as mercury and lead. They release greenhouse gases like carbon dioxide, and also dangerous ash. Also, many people with low-incomes end up coming to work at incinerators.

There are 76 incinerators around the country, out of 23 states that have made incinerators legal. In many states, incinerators are classified as “renewable” energy. According to the Institute for Local Self- Reliance; “The perverse designation of incineration as ‘renewable’ subsidizes a practice that wastes energy, kills jobs, and produces toxic pollution.” By recycling and composting, etc., you are opening jobs for others, but also creating a safer and healthier environment for you and everyone else around you. 

So, as you can see, incinerators are not only hurtful to the environment but to people and creatures around it. They are more expensive than just recycling or composting and they don’t really make renewable energy. We should take another look to see if we want to use waste incinerators over other healthier ways to dispose of our trash.

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Depletion in ozone layers 

By: Olivia Kendle

Ozone layers are found in the stratosphere in the atmosphere. The layers absorb ultraviolet (UV) radiation that is harmful to living organisms. The UV rays can cause health problems from eye damage to skin cancer.

Though the depletion of ozone layers does not play a role in global warming, it is dangerous for us if the ozone layers cannot shield us from this UV radiation or other dangerous rays emitted from the sun.

Depletion of the ozone layers is caused by the pollutants that humans have been putting in the atmosphere. These pollutants are chlorofluorocarbons (CFCs) and halons. The ozone hole, located in the upper stratosphere, shadows over the polar regions. Every living being below the hole, on Earth, is being affected by the radiation coming through the hole and touching Earth’s surface.

In 1987, scientists organized a program called the Montreal Protocol which was designed to phase out the depleting chemicals and reduce their concentration in the atmosphere. The Montreal Protocol has been successful and the whole project will be completed in around 2030. 

Global warming is also causing depletion of the ozone layers. The warming in the lower atmosphere (troposphere) leads to cooling in the upper atmosphere (stratosphere). Warming in the lower atmosphere is mostly caused by greenhouse gases. Because Earth’s heat would usually pass through the troposphere and the stratosphere and eventually travel out of the atmosphere but is now being trapped in the stratosphere. 

The heating in the lower atmosphere and the cooling in the upper atmosphere also explains the blanket analogy. The ‘blanket’ that covers Earth’s surface warms up as the Earth warms up with it. The heat gets trapped in the atmosphere or under the ‘blanket’ and no heat gets to the upper atmosphere while it is all in the lower atmosphere. The cooling in the upper stratosphere causes even more loss of ozone depletion.

Overall, the heating of the Earth (global warming) is affecting and changing the ozone layers or the ‘ozone hole’. More UV radiation rays and other dangerous rays are starting to come through the ozone layers but fortunately, the Montreal Protocol is helping prevent that.

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Are we alone in the Universe? The search for extraterrestrial life  

By Grace Helmke

Our universe stretches billions of lightyears, and continues to constantly expand. It consists of trillions of galaxies, and houses upwards of 700 quintillion planets. There has long been speculation that somewhere out in this massive expanse of darkness and light, there may be civilizations; some possibly intelligent enough to surpass us in our technological endeavors. But is this just another conspiracy theory, or is there scientific truth behind this notion? 

The Milky Way alone is littered with hundreds of billions of stars, each accompanied by multitudes of planets residing in their smaller solar systems. Among these planets within our galactic neighborhood, tens of billions would be located in the “habitable zone” of their star. The planet would have to be close enough from the star for liquid water to exist, but far enough away that the water wouldn’t evaporate. This means that a planet’s climate would all but mimic that of earth’s. Leading to the scientific speculation that life could exist here. While we aren’t sure how many of these planets support life, we now know that it’s possible. 

Scientists have discovered the existence of more than 4,000 exoplanets (or planets outside the solar system) that have the potential to harbor life. This topic of exoplanets is an exceptionally fast growing field that will most likely remain an important scientific discipline, for decades to come, due to the fact that these planets are not just celestial objects, but the potential homes of extraterrestrial life.

Recently, scientists at the SETI institute (The Search for Extraterrestrial Life) have been going to great lengths aiming to discover life on other planets. They attempt to try and find traces of life in space by searching for technosignatures, which according to Phys.org, are detectable signs of past or present technology used on other planets. This would mean that an extraterrestrial civilization would be intelligent and advanced enough to be creating a society based around the development of technology.

When taking into account the sheer size of our universe, and the fact that it has been around for so many years, it is probable that the complicated biochemistry that created life, then intelligent beings on earth, occurred more than once in the history of the universe. Suggesting that humanity is an anomaly defies scientific reasoning and the mediocrity principle, which states that it is probable that our solar system is more likely a common event than an atypical phenomenon.  

In the near future, with space missions being outlined, technology becoming increasingly advanced, and great steps being made in science, it is likely that we will find concrete evidence of other life in the universe, whether it be small or large. 

For more information please visit: 

Seasonal Depression

By Nora Doyle and Olivia Miller

Ever feel yourself slipping into a funk right around when the weather starts to get cooler, and your motivation is pretty much in the gutter? Maybe you start to have trouble staying awake, or trouble concentrating. This may be more than just a recurring funk.

Seasonal Affective Disorder, otherwise known as SAD, (kind of funny, right?) is common in young adults and even more so in women. In fact, it is 4 times more likely for women to have SAD.

According to Mayo Clinic, most cases of Seasonal Affective Disorder appear during late fall or early winter and go away when the sunny warm weather of spring and summer begin. But in some cases, symptoms can appear in the spring and summer, and go away in the fall and winter.

Although SAD can cause a drastic change to someone’s daily life, it is actually very common, affecting over 10 million Americans according to Psychology Today.

There are quite a few symptoms that can be recognized as Seasonal Affective Disorder. These include feeling depressed daily and for most of the day, losing interest in previously enjoyed activities, having low energy, trouble sleeping or trouble staying awake, changes in appetite or weight, feeling sluggish or easily agitated, difficulty concentrating, feeling worthless and or hopeless, and frequent thoughts of death or suicide. So yes, it can be very serious .

There are some differences in the symptoms of SAD in the fall/winter time than the ones in the spring/summer time. For example during the fall/winter time some of the symptoms are oversleeping and gaining weight, while in the spring/summer time some of the symptoms can be not getting enough sleep and you may even lose some weight rather than gain it.

A few things can cause Seasonal Affective Disorder according to the Mayo Clinic. The three big ones are your circadian rhythm, serotonin levels, and melatonin levels.

Your circadian rhythm is like your inner clock. Your inner clock has to do with the cycle of the moon and sun. The decrease in sunlight in fall and winter may disrupt your body’s internal clock and lead to feelings of depression.

Serotonin is the chemical in the brain that affects mood. Reduced sunlight can also cause a drop in serotonin, triggering depression.

The change in season can also disrupt the balance of the body’s level of melatonin. Melatonin plays a role in sleep patterns and mood. There are some factors that may increase the risk of SAD. Factors include family history, having major depression or bipolar disorder, and living far from the equator.

How Iceland became Green

By Grace Helmke

In an era of revolution and emerging awareness on all spectrums, environmental change, and the impact of humanity on planet earth, is a topic well discussed. But even with numerous papers published, research documented, and proof being given to confirm our planet’s great need for the development of environment friendly living, most of the world has yet to act upon this issue.

However, some countries have taken great strides in this mission; sustainability becoming their way of life. Iceland has been unofficially dubbed “poster child” of Nationwide sustainability, finding greener ways of life, and producing more renewable energy than anywhere else in the world. 

Iceland can thank their incredible geological features for allowing them access to plentiful hydro and geothermal resources. These natural assets account for over 85% of Iceland’s energy supply, and 100% of their electricity production.

When compared to the United States, this feat seems far more impressive. Our nation’s renewable energy production only makes up 11% of our supply, and 17% of electricity generated. This is such a significant achievement for Iceland because of the incredible good it can do for our planet. Generating energy from fossil fuels furthers air pollution and global warming. This contributes to eustatic change, intensified natural disasters, and temperature rise. 

Not only is Iceland a leader in renewable energy, but they have taken steps in educating their nation’s children on climate change, and the effects we have on our environment. Sustainability is one of the national requirements in the Icelandic education system. Students are taught what global warming is, and that it will continue to happen if nothing is done to change it.

This is in comparison to The United States’ system, where the teaching of climate change is optional, and largely not discussed for an extended period of time. 

Plastics are also a major concern when it comes to the environment. But starting in the summer of 2021, all single use plastics are being banned in Iceland. This includes: straws, cutlery, bags, and dishes. The only exception will be single use plastics required for medical reasons. All products sold in restaurants and fast food chains will now be reusable or biodegradable, including cutlery and packaging. 

Iceland has taken major steps in healing our environment for future generations. They lead all nations in renewable energy production, and have implemented changes to provide a better environmental education, and a tighter restriction on eco-friendly products. There’s no doubt there are more changes on the way, as other countries join Iceland in pursuit of a greener way of life. 

For more information, and more statistics on Iceland please visit:

https://visiticeland.com/article/renewable-energy

https://www.government.is/topics/business-and-industry/energy/

Threats to biodiversity

By: Olivia Kendle

There are many threats to our planet at this current time. One of the most serious threats is loss of biodiversity. It is important to know the main risks that decreasing biodiversity poses for the health of our planet.

First of all, the term biodiversity is short for “biological diversity”. Biological diversity refers to the way that all plants and animals and everything on earth are interrelated and dependent on one another. Since everything is dependent on everything else, if anything changes to one part of the environment, it shows up in other parts of the environment. Scientists are especially concerned about the effects that humans have on biological diversity. They study these effects so that they can tell us what we need to do to keep our environment healthy.

Among the serious threats is climate change. The effects from climate change include weather and climate effects which some animals can not adapt to in time or are struggling to survive. For example; pollution and trash in ocean waters as well as warming in ocean temperatures are affecting many species to survive. Ice is one of the main reflectors of sun rays. But with the ice melting, many rays of sun are coming into our atmosphere, “bleaching” our coral reefs. Many marine species die without the protection of the coral reef.

Another threat to biodiversity is human population growth. The slow growth of population causes expansions of cities. More farms and factories are built and forests are being cut down to make room. Many species can not adapt to these large changes and are forced out or killed in the process.

Fortunately, there are many things that can be done and are being done to solve these issues. According to the American Museum of Natural History, “Over 100,000 protected areas—including national parks, wildlife refuges, game reserves, and marine protected areas, managed both by governments and local communities—provide habitat for wildlife, and help keep deforestation in check.”

We need to be informed about the threats of biodiversity because it affects the wellbeing of all of us and more importantly, our planet.

For more information, please visit:

California wildfires are on an all time high

By: Aisha Dirie

With West Coast fires are at an all time high, and there is no doubt that climate change is to blame for these disasters. According to ‘Scientific American’, These fires have expanded across 1 million acres throughout the West Coast. Hundreds of people have lost their houses due to these fires, with California being a hotspot for COVID-19 currently, it’s not ideal. 

The causes for the fire is unknown but this has been happening for decades. There are some though that question whether climate change is to blame. “Jon Keeley, a senior scientist at the U.S. Geological Survey Western Ecological Research Center, argued that the study from Swain and others failed to show that hotter temperatures are driving wildfires.”

Although California has always been a hotspot of wildfires, it is not a surprise that these fires happen continuously, but this level of destruction has caused more people to wake up and look at the real life effects of climate change. 

With the wildfires, fire tornados have also erupted within those fires. Fire tornados happen when heat that is rising pulls in fire, dirt, ash, etc. and spirals into a tornado. “To have even one tornado within a fire is rare,” CNN meteorologist Taylor Ward said. These are rare, and with West Coast (specifically California) fires rising and continuing to damage homes, fire tornados are happening more frequently.

According to the Los Angeles Times, “The Creek Fire, which started on September 4, has burned 291,426 acres in the Sierra National Forest and remains just 34% contained.” This is one of the fires that started on the West Coast that left many people trapped in their homes. 

All along the West Coast, people were evacuating homes in response to the fires polluting the air. There is no doubt that these fires are getting worse, and we need to take action. If you look at the fires over the years, they have gotten significantly worse, especially since 2018. Climate change is real, and it’s destroying our planet.

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Asian Giant Hornets

Image taken from: https://www.vox.com/2020/5/3/21245612/murder-hornets-asian-giant-hornet-bees

The Asian Giant Hornet, also known as ‘murder hornets’, arrived in the U.S in late 2019 when the beekeeper, Custer Wash, found an entire hive of bees destroyed in Washington state.

These giant hornets can grow up to two inches long. Their diets consist of large insects, colonies of insects, tree sap, and honey from honeybee colonies. 

The Asian Giant Hornets can be hostile if aggravated. If irritated, its venom is injected by its 6.25 mm long stinger and it attacks the human body’s nervous system and breaks the tissue of its victims.

These hornets originated from Japan, China, and many more Asian countries. Their nests are mostly made in forests and low mountains. They avoid higher elevations and flatlands along with tropical environments. 

The way honey bees eliminate these much larger creatures is by attracting them into the honeybee hive. Once the giant hornet is inside the hive, it will strike one of the honeybees, this is a clue to the rest of the honeybees to charge at it. While the Asian Giant Hornets are bigger than honeybees, the honeybees outnumber the hornet by a large quantity. They will then start to vibrate and make heats of 114 F°. By doing this, they basically cook the hornet alive and kill it. 

As I mentioned before, these giant hornets can be harmful when provoked. The stings can be so bad they can cause kidney failure. In the year 2013, the Asian Giant Hornets killed 41 people and injured more than 1,600 people in China. The venom from these hornets can even cause anaphylactic shock or cardiac arrest.

As of right now, the Asian Giant Hornet is the most dangerous hornet that causes 30-50 human deaths annually in Japan. 

Good things happening in the world

Image taken from: https://www.nytimes.com/2018/08/11/opinion/sunday/science-people-environment-earth.html

Coronavirus came to the U.S. in late January. The first confirmed case in the U.S. was on January 21st. Ever since, the news has been filled with new information about the virus. How to stay safe, how to prevent it, etc.

Along with the negativity, there have been many more positive things happening in both the environment and the world. 

Disneyland is donating excess food to food banks. Even though Disneyland closed temporarily due to the safety concerns, their oversupply of snacks will be donated to Second Harvest Food Bank of Orange County. The food donated was dairy, fruit, and vegetables.

Walt Disney, and Disneyland resorts, have a continuing commitment to reducing any food waste. Each year they donate over 1.2 meals to their local Second Harvest Food Bank. There are also cast members volunteering to collect, sort, and distribute food donations. 

Specialists say that there is still hope in conserving marine life. Although the process will take three decades; it’s all due to human activity. According to Mongabay, 8 million tons of plastic pollute the ocean every year. If humans can pollute less, then the ocean could be fully re-established by 2050.

Humans can strive to help by attempting to decrease carbon emissions that accelerate climate change. While some parts of the ocean are easy to restore, some aren’t. For example the coral reefs. Coral reefs are bleaching because of climate change.

If the ocean is going to be saved, action must be taken within a short amount of time.

Oil companies are collapsing during these times but the wind and solar energy are the opposite of collapsing, they are growing. Industry executives and analysts expect renewable businesses to grow in 2020, while oil, coal, and gas companies struggle.

In California and Texas, for example, solar panels and wind turbines now produce more electricity, in a more economical way, than coal and natural gas. The good thing about solar and wind energy is that it’s sustainable and clean for humankind. 

While the world has been having a problem with polluted air and non-clear skies, during the time of self-quarantining and not leaving the house, carbon dioxide emissions have been reduced. According to VICE, air travel has dropped by over half in late March. Which accounts for 2.5% global carbon dioxide emissions. This is a good thing because when we do need to go outside for some fresh air or take a walk, we will smell pure and clean air.