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we finish our PYPX yesterday so we have a doc to do the reflection.

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Our green space plan

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we will take the bamboo stick and make the leafs by using the green paper and stick on it.

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the best plant for making the air is:Schefflera  | percent removed:
Weeping fig | 79.7
Dwarf banana | 66.3
Dragon tree | 79.1
Areca palm | 79
scindapsus | 78.2
Bamboo palm | 79.52
Pot mum | 67.2
Chinese evergreen | 89.2

chinese evergreen is the best for making the air in those plant

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This was how we initially tough of displaying our exhibition

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deforestation has been star, because at a long time ago, the people use it to build house and making papers, so they start to cut down the trees, untill now the people start to get many, so trees get cut down many and many. every minuet have 2000 trees been cut down

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all the link that we send is helpful, but I think the one that Eulalia send to us (how does deforestation affect the air?) at the mos helpful one so I think we should read about it and thinking!

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how does those trees makes the air for the earth

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how does those trees makes the air for the earth

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the fruit trees will have 15-20 kg of fruit per year, they can plant a lot the trees in farm.

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there 22 trees that best for the air ,there´s a link link down there it will take a big change. we can plant those trees for our garden, we can plant it back so we will have a better environment in UNIS!

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how does deforestation affect the environment

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how does deforestation affect the environment

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the deforestation is cutting way too mach´s trees, so the environment

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Trees help cool our cities, clean our air, help with mental health and so much more! Learn how trees work to benefit our urban environment.

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There are many ways to use forests sustainably, one of them is that for every tree that is cut, a new one is planted.

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Sustainable forest management means using and caring for forests in ways that meet daily needs while protecting the forests for the future. Sustainable methods are not the same everywhere. Each community needs to find what works best for them and for their forest.

Making a sustainable forest management plan helps a community decide how best to use their forest. It can also help resist threats to the forest by industry or the government. Sometimes, you can get a better price for forest products if you can show they were produced sustainably. But the most important part of a sustainable forest management plan is that it helps local people work together to use and protect forests.

Some ways to both use and protect the forest at the same time include:

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Sustainable forest management means using and caring for forests in ways that meet daily needs while protecting the forests for the future. Sustainable methods are not the same everywhere. Each community needs to find what works best for them and for their forest.

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the trees are making the air and help to clean and than make the oxygen. if there´s no trees, which means there´s no air, = all the living things is die

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How does deforestation affects environment? [global warming]

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How does deforestation affects environment? [global warming]

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Forest absorbs greenhouse gases and carbon dioxide, which fuels global warming and air pollution. Deforestation by human can cause global warming and air pollution. Global warming and air pollution can make all living thing's life dangerous and uncomfortable.

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what is the connection beteew trees and air?

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what is the connection beteew trees and air?

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The Important Relationship between Forests and Air

By Shandra Furtado, Communications Intern

We've all heard it - we need oxygen from trees to survive. It's the primary campaign from tree lovers around the world in our quest to save the forests. However, although oxygen is important for survival, it is not the only air quality improvement maneuver for which trees should be praised.

A lesser known, yet equally interesting, feature of trees is how they cool air through evapotranspiration. As trees transpire, they release water into the atmosphere through their leaves. As the water changes state from liquid to vapor, the surrounding air is cooled, similar to how we sweat. This effect is especially beneficial in urban areas where heat is trapped by concrete and asphalt surfaces and can make summer days unbearably hot. Especially in recent years, where global temperatures have spiked, trees can offset increased temperatures on a local scale.

Another way trees can benefit urban areas and make it easier for us to breathe is through particulate matter capture. Forests can improve public health greatly by catching dust, ash, pollen and smoke on their leaves, keeping it out of our lungs.

But, particulate matter is not the only atmospheric pollution from which trees protect us. Trees are sinks for other harmful pollutants, such as nitrogen oxides, ammonia and ozone, which can all cause respiratory problems from repeated exposure. Although ozone deflects harmful UV rays in the upper atmosphere, ground-level ozone is very dangerous and is linked to asthma. Trees are effective air filters by design, filtering out not only gasses that are harmful to humans, but also harmful to the earth's ecosystems as a whole. Carbon dioxide is one of the most harmful greenhouse gasses, and filtering carbon dioxide out of the air is what trees do best.

Throughout its lifetime, a tree pulls carbon dioxide from the air and turns it into sugar through photosynthesis, releasing oxygen in the process. This sugar is used to build organic matter - in the trunk, roots, leaves, branches and flowers. This accumulation acts as a carbon "sink," which offsets accumulation of carbon dioxide in the atmosphere.

Trees, however, cannot help us in this manner if they are left to rot or burn.

When a tree is cut down and burnt, the carbon does not just go away, butmost of the carbon the tree has captured throughout its lifetime is also released back into the air as carbon dioxide, reversing its lifetime work capturing greenhouse gasses. If trees are left behind to rot from logging, not carbon dioxide, but methane - a greenhouse gas roughly 30 times as potent as carbon dioxide - will be released into the atmosphere from decomposers. Reckless deforestation around the world accounts for 15 percent of global emissions of these heat-trapping gasses, a dangerous level that has the potential to be lowered.

Trees are the protectors of the earth, however, it is our turn to protect them. To learn more about the relationship between forests and air, visit our Elements of Forests homepage. Help us protect our forests by joining in on the conversation using the hashtag #WeNeedForests on social media!

Find out the latest in forest news in this week's Forest Digest!

Learn how to create a wildlife habitat garden in your own backyard!

Meet NIACS Director Christ Swanston, the newest member of American Forests' Science Advisory Board!

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The Important Relationship between Forests and Air - American Forests

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By Shandra Furtado, Communications Intern We've all heard it - we need oxygen from trees to survive. It's the primary campaign from tree lovers around the world in our quest to save the forests. However, although oxygen is important for survival, it is not the only air quality improvement maneuver for which trees should be praised.

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Trees use a process called photosynthesis in which they use light and carbon dioxide and transform that into energy. Less trees, means also more carbon dioxide which contributes to global warming

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Each year, 46 to 58 million square miles of forest are lost due to deforestation -- the removal of trees from the land by man-made and natural events. Deforestation is caused by land-clearing for urban development and agriculture, tree harvest for wood products, and forest fires. The loss of trees has an adverse affect on the air.

TL;DR (Too Long; Didn't Read)

Deforestation has an adverse affect on air by reducing the amount of oxygen and increasing the amount of carbon dioxide as well as contributing to global warming.

Trees and plants, in general, produce energy for growth using a process known as photosynthesis. Using light, water and carbon dioxide, a plant produces energy in the form of sugar and releases oxygen into the air. Forests cover approximately 30 percent of the land on earth and sustain nearly 80 percent of the world's terrestrial organisms. It is estimated that one acre of trees in urban forests can produce enough oxygen for eight people and remove 188 pounds of carbon dioxide from the air.

Oxygen comprises only about 21 percent of air's chemical component. Yet, it is extremely important to life on earth. Living organisms, from single-celled animals to humans, use oxygen to produce the energy required to sustain them. Since trees are larger plants, their production of oxygen is significant. It is estimated that tropical rainforests, produce 40 percent of the earth's oxygen even though they cover only about 6 percent of the land. Rainforests in the Amazon have declined by 17 percent in the last 50 years as a result of deforestation.

Carbon dioxide is one of the greenhouse gases that help to hold heat in the atmosphere. Trees remove some of this carbon dioxide from the air through photosynthesis and store that carbon in their tissues and in the soil. This process is known as carbon sequestration. Since the industrial revolution began in the mid-1700s, more greenhouse gases have been released than removed from the air. In 2011, forests in the United States removed only about 14 percent of the carbon dioxide emitted into the air. Deforestation reduces the removal component of this cycle, further increasing the carbon dioxide in the air. This results in an increase in temperature, an effect known as global warming.

Not only does deforestation contribute to global warming by increasing the amount of carbon dioxide in the air but it also directly increases the temperature radiating from the land. The forest canopy shades the ground, absorbs the sun's rays for photosynthesis, and reflects about 12 to 15 percent, cooling the land beneath. This holds moisture in the soil that carries nutrients through the roots into the plant. Plants then release water vapor into the air through their leaves in a process known as transpiration. A single leaf can release more water into the air than its own weight. Water vapor in the air accumulates and falls as rain, cooling the land and carrying nutrients back to the plants. Without forests, the land would radiate and reflect heat back into the air, adding to global warming. It is estimated that trees in tropical rainforests lower the temperature by 3.6 to 6.3 degrees Fahrenheit. In the past century, the average temperature around the world has increased by 1.4 degrees Fahrenheit.

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Deforestation, or clearing the land of trees, has detrimental effects on air. Removing wide areas of trees results in less oxygen being produced, more carbon dioxide in the air and higher global temperatures.

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Article on the effects of deforestation on the planet from National Geographic. This relates directly to your 3rd line of inquiry.

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As the world seeks to slow the pace of climate change, preserve wildlife, and support more than eight billion people, trees inevitably hold a major part of the answer. Yet the mass destruction of trees-deforestation-continues, sacrificing the long-term benefits of standing trees for short-term gain of fuel, and materials for manufacturing and construction.

We need trees for a variety of reasons, not least of which is that they absorb the carbon dioxide we exhale and the heat-trapping greenhouse gases that human activities emit. As those gases enter the atmosphere, global warming increases, a trend scientists now prefer to call climate change.

There is also the imminent danger of disease caused by deforestation. An estimated 60 percent of emerging infectious diseases come from animals, and a major cause of viruses' jump from wildlife to humans is habitat loss, often through deforestation.

But we can still save our forests. Aggressive efforts to rewild and reforest are already showing success. Tropical tree cover alone can provide 23 percent of the climate mitigation needed to meet goals set in the Paris Agreement in 2015, according to one estimate.

Causes of deforestation

Forests still cover about 30 percent of the world's land area, but they are disappearing at an alarming rate. Since 1990, the world has lost more than 420 million hectares or about a billion acres of forest, according to the Food and Agriculture Organization of the United Nations-mainly in Africa and South America. About 17 percent of the Amazonian rainforest has been destroyed over the past 50 years, and losses recently have been on the rise. The organization Amazon Conservation reports that destruction rose by 21 percent in 2020, a loss the size of Israel.

Farming, grazing of livestock, mining, and drilling combined account for more than half of all deforestation. Forestry practices, wildfires and, in small part, urbanization account for the rest. In Malaysia and Indonesia, forests are cut down to make way for producing palm oil, which can be found in everything from shampoo to saltine crackers. In the Amazon, cattle ranching and farms-particularly soy plantations-are key culprits.

Logging operations, which provide the world's wood and paper products, also fell countless trees each year. Loggers, some of them acting illegally, also build roads to access more and more remote forests-which leads to further deforestation. Forests are also cut as a result of growing urban sprawl as land is developed for homes.

Not all deforestation is intentional. Some is caused by a combination of human and natural factors like wildfires and overgrazing, which may prevent the growth of young trees.

Why it matters

There are some 250 million people who live in forest and savannah areas and depend on them for subsistence and income-many of them among the world's rural poor.

Eighty percent of Earth's land animals and plants live in forests, and deforestation threatens species including the orangutan, Sumatran tiger, and many species of birds. Removing trees deprives the forest of portions of its canopy, which blocks the sun's rays during the day and retains heat at night. That disruption leads to more extreme temperature swings that can be harmful to plants and animals.

With wild habitats destroyed and human life ever expanding, the line between animal and human areas blurs, opening the door to zoonotic diseases. In 2014, for example, the Ebola virus killed over 11,000 people in West Africa after fruit bats transmitted the disease to a toddler who was playing near trees where bats were roosting.

(How deforestation is leading to more infectious diseases in humans.)

Some scientists believe there could be as many as 1.7 million currently "undiscovered" viruses in mammals and birds, of which up to 827,000 could have the ability to infect people, according to a 2018 study.

Deforestation's effects reach far beyond the people and animals where trees are cut. The South American rainforest, for example, influences regional and perhaps even global water cycles, and it's key to the water supply in Brazilian cities and neighboring countries. The Amazon actually helps furnish water to some of the soy farmers and beef ranchers who are clearing the forest. The loss of clean water and biodiversity from all forests could have many other effects we can't foresee, touching even your morning cup of coffee.

In terms of climate change, cutting trees both adds carbon dioxide to the air and removes the ability to absorb existing carbon dioxide. If tropical deforestation were a country, according to the World Resources Institute, it would rank third in carbon dioxide-equivalent emissions, behind China and the U.S.

What can be done

The numbers are grim, but many conservationists see reasons for hope. A movement is under way to preserve existing forest ecosystems and restore lost tree cover by first reforesting (replanting trees) and ultimately rewilding (a more comprehensive mission to restore entire ecosystems).

(Which nation could be the first to be rewilded?)

Organizations and activists are working to fight illegal mining and logging-National Geographic Explorer Topher White, for example, has come up with a way to use recycled cell phones to monitor for chainsaws. In Tanzania, the residents of Kokota have planted more than 2 million trees on their small island over a decade, aiming to repair previous damage. And in Brazil, conservationists are rallying in the face of ominous signals that the government may roll back forest protections.

(Which tree planting projects should you support?)

Stopping deforestation before it reaches a critical point will play a key role in avoiding the next zoonotic pandemic. A November 2022 study showed that when bats struggle to find suitable habitat, they travel closer to human communities where diseases are more likely to spillover. Inversely, when bats' native habitats were left intact, they stayed away from humans. This research is the first to show how we can predict and avoid spillovers through monitoring and maintaining wildlife habitats.

For consumers, it makes sense to examine the products and meats you buy, looking for sustainably produced sources when you can. Nonprofit groups such as the Forest Stewardship Council and the Rainforest Alliance certify products they consider sustainable, while the World Wildlife Fund has a palm oil scorecard for consumer brands.

Editor's note: This story was originally published on February 2019. It has been updated.

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Deforestation and Its Effect on the Planet

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Large scale destruction of trees-deforestation-affects ecosystems, climate, and even increases risk for zoonotic diseases spreading to humans.

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How does deforestation affects environment? [water cycle and water pollution]

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How does deforestation affects environment? [water cycle and water pollution]

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Deforestation affects the  water cycle and water pollution. Forest helps to send the land water into
air. Deforestation by human can cause lack of rain. Forest also contains a lot of water  and cleans the high- amounts of water. Deforestation by human can cause water pollution and flood.
www.livescience.org

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How does deforestation affects environment? [living things]

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How does deforestation affects environment? [living things]

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Deforestation can cause the negative impacts on the environment.  The most dramatic impact is loss of habitat for millions of species. 80% of land animals and plants live in forest. Deforestation by human can destroy their habitats(homes). Many land animals and plants cannot survive.

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There is a strong connection between trees and the air we need

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that the link for the first line of inquiry

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How Does Deforestation Affect Animals? | Greentumble

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Deforestation poses a big threat to the animals that live within forests. Learn how does deforestation affect animals and what are possible solutions...

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Responsible use of forests supports sustainability

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We are inquiring into how deforestation affects the environment

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How does deforestation affects the environment?

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How does deforestation affects the environment?

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Forests are vital for life. Homes to millions and billions of species, protect soil from harmful  materials, produce oxygen, store carbon dioxide, and help control climate. They also provide us clean water, food and many useful things. Deforestation by human seriously harms the all living things.

www.nationalgeographic