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Joana dos Reis

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Joana is a Marine Biologist. Her mission is to recreate our planet and oceans, and she believes that one of the most powerful ways to accomplish that is through education. Her writing is based on science, although she writes in a way where anyone understands. Besides protecting the earth, Joana likes to write about controversial topics. Especially when something doesn't seem right.
Humans have been eating fish since the beginning of time. Fish and seafood are with no doubt an essential source of protein, vitamins, and omega-3 fats. Over half of our global population depends on this food source. Including fish in our diet can reduce the risk of several health issues,...
Our planet is 4.5 billion years old and to its eyes, humans appeared mere seconds ago. We are now more than 7.7 billion people, equaling to 0.01% of all life on Earth. It is no surprise that our human activities have been changing nature, now more than ever. Since the...
Last year in 2018, scientists made the most echoed counting-down warning for climate change. They named it "The Last Call." It is as scary as it sounds. Such big advice has been made several times throughout the last decades since global temperatures started being recorded in 1850. Our atmosphere composition...
"A species is classified as endangered when its population has declined between 50 and 70%. This decline is measured over 10 years or three generations of the species, whichever is longer." - Red list of threatened species Do we have any idea about what happens after an animal or plant species...
Since plastic was invented in 1907 and became part of our modern lives, its growth increased exponentially each year. This indestructible material is everywhere now. If you dive to the deepest location of Earth - the Mariana Trench which is 36.201 feet deep (11.034 meters), chances are you will...
"No water, no life. No blue, no green." - Sylvia Earle Imagine a cube measuring one mile to each of its sides. Now imagine 321.003.271 cubic miles - that's the volume of water in our oceans. It's evident that something this big must have an enormously important role in our...
For decades we've been neglecting the elephant in the room called climate change. As we burn more fossil fuels and increase our carbon footprint, the World is changing. We are on our way to overcome global temperatures by 2.7°F (2°C). In other words, we are all in big trouble. Global warming...
Once upon a waste... The first fully synthetic plastic was invented by Leo Baekeland, back in 1907. Fully synthetic means that no molecules came from nature. This magical, versatile, and cheap material changed the course of our world, as we know it. Since it's a malleable and lightweight material, molded...
At a time when plastic is one of the greatest global problems, most of us have now started to acknowledge the damage it creates to the world. Recycling plastic appeared as a solution to our consumerism behaviors, disguised in guilt-free, letting us feel as we're doing our part when...
Sustainability is the "development that meets the needs of the present without compromising the ability of future generations to meet their own needs." Bruntland Report for the World Commission on Environment and Development (1992) As you read this from your computer, phone, or iPad, note that you're burning fossil fuels...
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