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Hello everyone, this essay I am writing here will be regarding my full-scale experience in Professor Revuelta's enviromental class this semester, as well as expectations previously and honest feedback.

My initial reaction after hearing that I had to complete this course, was excitement to the fact I would be learning interesting things about the enviroment we live in. I believed it was important and still do, that our ecosystem and everything that entails it is very important to be aware of, as well as the protection of thus. It is very clear that we must take care of the world and not hurt it, in order to potentially lead to a better life for future generations. Before I started this class, I associated the name of the course with Biology and ecology. I new it was going to be regarding nature and fauna on our planet.

Regarding my experience in this class, I have had a good and new-fangled experience. When I say good, I specifically mean that our Professor was welcoming, easy to understand and seems passionate about the stuff we have covered. I now have learned many things from this class, thus importantly critical to be aware of; like climate-changed, alternative energy sources and renewable ones, how climate change will have negative effects on sea and land-life, which will ultimately affect humans in bad ways. When I say affect us in bad ways, I mean that we may eventually have wars over potable water, experience more wild fires, breathe dirtier and more toxic air,etc. My experience on this course was different than I expected in terms of the material covered. I thought initially that the class would be essentially regarding wild -life and plants and photosynthetic organisms, so I can say that this class was different than what I ad expected, but it is ok.

The activities I have done during this class have made me improve and gain more knowledge as a person. I feel richer inside because I am now more aware of the problems our earth is facing due to humanity's un-doing; like polluting the air, soil and oceans to satisfy our needs.

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After having done this great class, I have realized many different important things that I really needed to know. Within the following paragraphs I will state what I have learned and enjoyed.
Firstly, climate change is something I have realized is very important to address before it is too late. Our earth is changing and getting warmer, causing direct and indirect consequences on living organisms on earth. I have learned different ways to keep climate change from exacerbating; such as wasting less water, reducing energy usage, and letting out as little carbon dioxide as possible.

Moreover, I have learned things like climate gentrification, which is the forced relocation of more humble residents to other cheaper locations so that richer people occupy and reside in those areas.

I have also learned that sea life is very important to maintain and take care of, because doing otherwise will eventually deficit our quality of life. Taking care of life on our land is also as important, and we should follow examples like not throwing non-biodegradable objects into our nature, causing permanent amounts of garbage.

Lastly, I have learned that water desalination needs to progress to the point that it is more affordable to approach. The amount of energy used to do so is very high, which may lead to more pollution due to the high necessity of energy. Hopefully someday this becomes more affordable with advancing technology, and hence becomes our primary source of acquiring potable water.

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The desallination of water from the ocean is a brilliant yet obvious and logical thing to do, given that this water forms over 96 percent of water on earth. I have found this video very interesting, because it entails solutions for the obvious problem we are facing in the world, which is increasing scarcity of fresh water.

Although many people may believe that this process is the answer, there are some concerns regarding the long-term effects that the process of sea-water desallination may have on the enviroment. The executives in this video have mentioned that it may take 25 times more energy than other fresh water production processes. The fact that reverse osmosis requires very high and intense levels of pressure on the water, leads to a high usage of energy that can cause the world to run out of it faster. Another concern they have mentioned is that for every 2 gallons of salt water processed, we get 1 gallon of drinkable water and the other gallon turns out as a very highly concentrated salt-water. This concentrated salty water is poured back into the sea essentially, cuasing the huge amounts of salt to sink down into the bottom of the ocean. Thus may lead to jeopardizing effects on sea life such as coral-reefs and many species of fish.

As tenchnology continues to improve, there may be a more affordable way to desalinate sea-water, as well as affordable in the potential of the least adverse-effects it may have on the oceans themselves.

https://youtu.be/bfr82RB72U8

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Water is an essential element needed by living beings and other wise on this earth. Water is becoming more scarce as time goes by because potable water is being misused and wasted, especially by people and companies in the USA. There will someday be wars over drinkable water, potentially leading to a sort of gradual extinction of the human race. All living beings will also become extinct per se, leaving only those organisms that can survive with minimal or no water at all. When this all happens, millions of years will go by and there will probably be other types of visible beings that can survive with minimal water or no water at all.

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Pangaea was a supercontinent that existed on Earth about 300 million years ago. It was made up of all the major continents we know today, including Africa, Antarctica, Australia, Eurasia, North America, and South America, which were all connected in a single landmass. Pangaea formed during the late Paleozoic era and began to break apart during the early Mesozoic era, eventually leading to the formation of the modern continents we have today. The idea of Pangaea was first proposed by Alfred Wegener, a German meteorologist and geophysicist, in the early 20th century, based on the observation that the coastlines of Africa and South America fit together like pieces of a puzzle. His theory of continental drift revolutionized the field of geology and helped lay the foundation for the development of the theory of plate tectonics.

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Iceland is located on the Mid-Atlantic Ridge, where the North American Plate and the Eurasian Plate are moving away from each other, causing volcanic activity and geothermal features. Iceland also sits on the boundary between the North American Plate and the Eurasian Plate, resulting in occasional earthquakes. The ongoing tectonic activity makes Iceland a significant location for studying tectonics and understanding the Earth's processes.

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The San Andreas Fault is a major geological fault in California, USA. It runs roughly 800 miles through the state, from the Salton Sea in the south to Cape Mendocino in the north. The fault is the boundary between the Pacific Plate and the North American Plate, and it is characterized by a series of fractures or breaks in the Earth's crust.

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The Doppler effect is the apparent change in frequency or wavelength of a wave that is perceived by an observer moving relative to the source of the wave. It is named after the Austrian physicist Christian Doppler, who first described the phenomenon in 1842.

The Doppler effect is commonly observed in sound waves, where it causes a change in pitch as a sound source moves towards or away from an observer. When a sound source is moving towards an observer, the frequency of the sound waves is compressed, resulting in a higher pitch. Conversely, when a sound source is moving away from an observer, the frequency of the sound waves is stretched, resulting in a lower pitch.

The Doppler effect is also observed in other types of waves, such as electromagnetic waves (light), and is used in various fields of science and technology, such as astronomy, radar, and medical imaging.

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The electromagnetic spectrum is a continuous range of electromagnetic waves that includes radio waves, microwaves, infrared radiation, visible light, ultraviolet radiation, X-rays, and gamma rays. These waves differ in their wavelengths and frequencies, with longer wavelengths corresponding to lower frequencies and shorter wavelengths corresponding to higher frequencies.

Each type of electromagnetic wave has unique properties and applications. Radio waves are used for communication, such as in television and radio broadcasting, while microwaves are used for cooking and in telecommunications. Infrared radiation is used in heating and sensing applications, while visible light is what we see with our eyes. Ultraviolet radiation and X-rays are used in medical imaging and sterilization, and gamma rays are used in cancer treatment.

The study of the electromagnetic spectrum is important in many scientific fields, including physics, astronomy, and chemistry. Understanding the behavior of electromagnetic waves and their interactions with matter has led to many technological advances and innovations. The development of technologies like X-ray machines, microwave ovens, and fiber optics are all possible thanks to the understanding of the electromagnetic spectrum.

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https://youtu.be/WP6T4MH0Dn4

Humanity Discussion

COLLAPSE

This video certainly prompted me to reflect. The reason why this is, is the fact that a nuclear war will lead to a sever nuclear winter, among other bad things. What is powerful and attention-keeping is that we are currently getting closer to a possible nuclear world-war. Furthermore, climate change is also something to reflect on, because we need to maintain certain temps when it comes to our atmosphere, so that the world and living beings don't die.

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The 4 greatest threats to the survival of humanity

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After having watched this pretty astounding video, I will conclude that what really caught my attention is that they have discovered a bacteria that apparently is able to eat plastic. This is a door-opening for new beneficial consequences for the enviroment, because plastic will be able to be decomposed. Another thing that caught my attention is that 30 percent of thrown away plastic is disposed in the enviroment, including the oceans and land.

https://youtu.be/-m0YaE8uKcg

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The smallest solution to one of our biggest problems - Tierney Thys & Christian Sardet

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What could be done to sustain our seas and oceans?

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What could be done to sustain our seas and oceans?

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As I start adressing this topic, Oceans and coasts are depended by three billion people in order to financially survive. In addition, many people depend morally and spiritually on oceans and seas, and thus are beaitiful elements in our natural world. The close contact of nature and otherwise are very key to living a life with complete hapiness and fulfillment, so we thereby must take good care of them. There are a few ways we can act in order to sustain ocean and seas;

Firstly; we must more efficiently conserve water. Taking shorter showers, and advancing technology to create more efficient manufacture processes that waste less water. The less water thrown away, the less waste water will be poured into the ocean.

Secondly; we should reduce pollution in our atmosphere and oceans. When I say this, a few examples to back me up are sharing a single car with multiple people to move around ( although controversial sometimes) , creating more efficient and affordable ways to create renewable energy; like solar panels, hidro-power, and wind energy.

Moreover; cutting down our waste. The less garbage we throw out, the cleaner our enviroment will be, indirectly and directly affecting the health of our salty water.

In addition, we must respect our habitat, fish responsibly, and practice safe boating. Safe boating means to anchor boats in sandy areas and not around coral reefs, thus doing otherwise would kill coral, causing a chain affect that will eventually exacerbate the health and livelihood of ocean life.

Lastly, because this is getting too long; we should volunteer in activities that help protect the oceans and seas, such as beach cleanups and protecting watershed.

In conclusion, we need to protect our oceans and seas by conserving water, reducing pollution, wasting less, taking care of our habitat, and offering our volunteering help to protect oceans and seas.

source: https://oceanservice.noaa.gov/ocean/help-our-ocean.html

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Hello and good morning. My name is Julen and I was born in New York City in 2001. I have an older brother who was also born in NYC and is currently working in Amsterdam. I lived in Spain for like 12 years, but I however have vbeen visiting Miami for my whole life because I have family here. My favorite food is sushi, and has been for my whole life. My long-term goal in life is to become an FBI agent. The reason why is because I feel like I was meant to do so.  I also have other goals like forming a rock band with some other friends and become famous by helping people get through life with my music .

I personally define success as learning something new everyday, and achieving short term goals everyday or weeks to therefore build up achievment for the longer term goals. Regarding my strengths, I believe I am good at listening and critical thinking. I am also pretty creative and a good musician. In terms of weaknesses, I sometimes procrastinate, although thankfully I almost always complete my work by the date it is due. I am proud about continuing playing guitar and not quitting, like many other people I have known who went to guitar practice with me. I am also proud of having subscribed myself to the New York Times and reading cool articles everyday. If I were to mention something unique about myself, I would say that I am good at making people around me feel comfortable and I am good at convicing people.

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According to this website, one wind turbine alone in Florida is able to power 600 homes in a year. In terms of the total number of houses that can be powered a year in Florida by all turbines, the number is 255,500. A total annual payroll for all job places within the wind energy spectrum in Florida, is 7.2 million dollars. This suggests that wind energy provides jobs for people.

https://cleanenergy.org/blog/wind-power-in-the-sun

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https://youtu.be/RnvCbquYeIM

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Can 100% renewable energy power the world? - Federico Rosei and Renzo Rosei

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what caught my attention in this video about sources of energy?

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what caught my attention in this video about sources of energy?

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After having watched this pretty interesting video, what caught my attention was the fact that all the green house gases let out into our atmosphere can be measured in an explosive amount of weight. This video has also caught my attention in regards that we need to cut down fossil fuels and replace that source of energy with renewable sources. This is a good subject for debate and is constantly debated to whether fossil fuels are better than others, given their high-energy efficiency compared to the way larger space that is needed to be able to use other sources, like nuclear and wind power.

https://youtu.be/DW0jTe80kmM

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How much land does it take to power the world?

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After having watched this very interesting and mind-changing video, some things caught my attention. To start of with, the main subject of this video is the climate gentrification that is going on in Miami, and how several organizations are doing their best to prevent home-owners from no longer affording to live here, and the ownership of people's houses on behalf of companies. I have searched the definition of climate gentrification because it was not too defined in this video. It is the ways that climate impacts changes in communities, and the potential displacement of vulnerable residents through changes in property values.I did not know that in areas like Hialeah, Liberty City, and Homestead, there is a three times higher rate of houses being owned by companies than other areas like Miami Beach, Coral Gables, etc.

Another thing that has caught my attention is when they say that communities are passing away due to destroying certain establishments in certain neighborhoods which give life and prosperity to communities. Climate gentrification has been the cause, as well as companies always wanting to profit from this and make money.

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After having watched this very interesting video, what caught my attention is that the production of solar cells require very toxic chemicals to be let out into our enviroment, including acid that is used to dissolve bodies. I hope alternatives to these chemicals can be discovered to further advanced efficency and reduce pollution emmited to manufacture solar pannels.

Furthermore, the fact that recycling is not profitable has also caught my attention. I honestly hope that recycling can become profitable in the near future, so that we better our ways to take care of the planet.

https://youtu.be/EWV4e453y8Y

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Out of all the videos provided, I have chosen the video about the current water issue going on in Southern California. I already knew that there is severe drought going on in this state. Nestle is a company that I have always known as a chocolate brand; however, they are apparently extracting water from a well in a local forest in California, thus owned by the people of the USA. This company is essentially stealing the little water there is left in Strawberry creek, and making a huge profit out of it.

It is becoming more and more critical the scarce water situation, negatively affecting people and wild life. We need to inspire the population to take care of out water and not waste it, as well as people should get into organizations of forest keeping. Water will some day be a currency around the world, and it will sooner be one, especially in dry areas like southern Cali. It is critical that we start giving a darn about what it going on with our water, and do our best to eliminate these for-profit companies like Nestle from stealing water that belongs to humans and animals of the area.

My humble opinion on this is that Nestle should get their tubes the heck out of these areas, especially it being a foreign comapany and all. This truly disgusts me on how greedy these companies are, and their lack of care for other people.

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The topic I have chosen this morning is the ways to create sustainability of the ocean and seas.

Essentially, this refers to the responsible use and management of the world's oceans and their resources to maintain their ecological health and productivity for future generations. Preserving the well-being and diversity of the marine ecosystem, while balancing economic development social well-being is our main priority.

I belive that this is very important for the preservation of life, as well as sustaining the economic survival of people.

Source: https://sdgs.un.org/topics/oceans-and-seas

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https://youtu.be/fHztd6k5ZXY

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A guide to the energy of the Earth - Joshua M. Sneideman

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https://youtu.be/JX8rv_natkw

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Which sunscreen should you choose? - Mary Poffenroth