... allergies, asthma, blurred vision, dizziness, fatigue, headache, skin irritation, nervous system disorders, and upper respiratory and sinus congestion. The Plants for Clean Air Council and Wolverton Environmental Services have tested different houseplants for their ability to remove various toxic gases such as formaldehyde, xylene/toluene, ... microbes break them down. Micro-organisms in the soil can use trace amounts of pollutants as a food source. Some organic chemicals absorbed by plants from the air are destroyed by the plant's own biological processes. The plant's roots take up aque...

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• Grade Level: Undergraduate

... Carbon Footprint"). Researchers at the Swedish Institute for Food and Biotechnology found that the production of a single bottle of ketchup required 52 different stages of transportation and processing, involving raw materials from at least half a dozen different countries (Pollan). Not only are the distances that food travels from farm to market important, but the modes ... become increasingly globalized, the risk of food safety problems, such as food-borne illness, has also increased. The consolidation of meat and produce production, including animal slaughter and processing, means t...

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... available in the future. Lastly UXL Science discusses how recycling could boost the economy by allowing more jobs than both landfills and incinerating plants have to offer. The two articles enhance the Ted Talk by showing the importance of recycling also that recycling makes the world a more ... of money that goes towards landfills, incinerators, and other ways to dispose waste. Seven times the number of jobs can be created with recycling plants rather than landfills. EPA requires government agencies to set aside a budget to buy eco-friendly products, and all agencies have to buy recycle...

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... factors. Geothermal fields produce only about one-sixth of the carbon dioxide that a natural gas fueled power plant produces and extremely small amount of sulfur bearing gases. Geothermal power plants are highly reliably and can operate 24 hours a day. Most power plants operate more than 95 percent of the time. Geothermal energy offers an environmentally benign source of electricity. Geothermal power ... beginning of each project, roads and working platforms have to be built so that exploratory and production equipment can be brought in. These changes to the environment can damage local ...

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... . For example, New York has one of the cleanest drinking water systems in the world, the Hudson River, which has allowed it to save a tremendous amount of money in filtration plants. If the Hudson was contaminated by some of the dangerous chemicals used in hydraulic fracturing, the amount of money that would have to be spent on specialized treatment ... plants would cripple the economy. The Hudson River provides 9 million people with fresh drinking water in New York City alone. So, the real question people should be asking is Who does ... does not mean that CO2 emissions will be stabil...

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... a matter of hours. In 1796, Jean Senebier, a French pastor, showed that Carbon Dioxide was the "fixed" or "injured" air and that plants in photosynthesis took it up. Soon afterwards, Theodore de Saussure showed that the increase in mass of the plant as it grows could not be due ... only to uptake of CO2, but also to the incorporation of water. The Process of Photosynthesis Photosynthesis is a process in which green plants use energy from the sun to transform water, carbon dioxide, and minerals into oxygen and organic compounds. Photosynthesis, if translated, would mean "putting ... , alo...

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• Grade Level: Undergraduate

... for agriculture and wood for energy. Satellite photos show smoke from the smoldering fires that are rising into the air over the forest. The desire of developed countries for inexpensive meat and forest products is another major contributor to deforestation. The sale of the expensive tropical wood is another. Each year a land area the size of Belgium is deforested, resulting in ... also enabling range grasses to grow in aes that are deserts today. Within existing rangelands, elevated levels of carbon dioxide may induce a shift from grasses toward shrubs and other woody plants. We as Ear...

• Word Count: 2775
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• Grade Level: Undergraduate

... oxygen. The oxygen then is released from the plant into the atmosphere through tiny openings in the leaves known as stomata. The leaves of plants are largely comprised of "mesophyll, the stomata, the veins (vascular bundle) and the upper and lower epidermis." (Enchanted Learning, ... evaporation (temperature, wind, available surface area and humidity) will affect the rate of transpiration. The salinity of plants and soil also affects the growth rate of plants as different plants react in a different manner when coming in contact with various concentrations of sodium chloride. When the ...

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... that the final results of one procedure are utilized to begin alternate procedure, there is dependably a wealth of the reactants for either cell process. Photosynthesis is the procedure in which plants integrate natural mixes from inorganic crude materials in the vicinity of sunlight1. Two sorts of responses that happen amid photosynthesis, the vitality transduction responses which change over light vitality to ... oxygen, breaking a vast free vitality drop into littler steps that discharge vitality, the procedure additionally make water as a side effect. Cell breath eventually makes car...

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... The coal is then burned to produce electricity, and thus the carbon is returned to carbon dioxide in the air. Aquatic and marine plants absorb dissolved carbon dioxide from the atmosphere to photosynthesize. The dissolved carbon dioxide is also converted in carbonates and bicarbonates. After long periods ... portion is the product of combustion of fossil fuels. Sulphate (SO42-), derived from the weathering and oxidation of rocks, is taken up by plants and incorporated into sulphur-containing proteins. In this form sulphur is passed along food chains to animals. Decomposition of dead or...

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... over fifty percent of five out of six species that were studied. Fires are very detrimental to plants. Depending on how intense and how fast the fire spreads, it can damage or kill the plant. Though certain plants such as pine trees have good insulating features due to it's bark that is thicker than most trees ... chemical or physical process. Over 100 composites have been distinguished in the smoke chemically. Of those compounds, a multitude of them have had physical effects on plants including carbon dioxide, nitrogen dioxide, sulfur dioxide, and the ozone. The changes in the environme...

• Word Count: 647
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... effects that higher concentrations of CO2  are likely to have on the global climate. However,  rising CO2  concentrations are also likely to have profound direct effects on the growth of plants because CO2 is a reactant in photosynthesis. Also, the effects of elevated CO2  are not uniform: those that utilize the C4  variant of photosynthesis show less of a response to ... elevated CO2 than do other types of plants.  In this experiment, different masses of Sodium bicarbonate will be added to distilled water to make different percent concentration solutions, and ultimately provide d...

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... to do this. This energy can be found and used anywhere on Earth and at any different depths. There are three different types of Geothermal power plants that work by using steam produced from hot water reservoirs, found a few miles below Earth's surface, to rotate a turbine and activate a generator ... to produce electricity. The use of only one out of the three types of geothermal power plants by the Union County will even suffice. Using all three will have a greater impact in the decline of greenhouse gas emissions that have accumulated over the ... water flows upward, some of the water...

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... converted into liquid fuels called biofuels that can power cars, trucks, and tractors. Leftover food products like vegetable oils and animal fats can create biodiesel, while corn, sugarcane, and other plants can be fermented to produce ethanol. The production and the use of biomass also bring additional environmental and social benefits. Some good reasons to use biomass as a sustainable fuel: correctly ... shutting down its controversial biofuels subsidy program, saying companies producing biodiesel have failed to meet ambitious production targets. Ottawa has already paid pot $672 millio...

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... many low-lying nations in increasing danger during tropical storms. The incidence of tropical storms and other extreme weather events have dramatically increased. Temperature and precipitation shifts have forced many plants and animals to adjust their ranges upward in elevation and towards their respective poles. (Cunningham, 2000) Glaciers have been retreating at an alarming rate, and lake ice covers in ... greenhouse gasses fluctuated because of so-called "natural- events. For example, prior to the proliferation of land-based green plants, carbon dioxide levels in the stratosphere we...

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... Oxides (NOX) can combine with oxygen, water, and other compounds in the atmosphere, and result in acidic deposition or "acid rain". The EPA states that fossil fuel-fired electric utility plants are responsible for 70 percent of the annual SO2 and 30 percent of NOX emissions in the United States. These acidic compounds fall to the earth in dry or wet ... emissions by 10 million tons below levels set for 1980. To achieve this goal, two phases of restrictions would be placed on fossil fuel-fired power plants. Beginning in 1995, Phase 1 affected 110 electric utility plants comprised of 263 ...

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... turn causes changes in climate. A warmer Earth may lead to changes in rainfall patterns, a rise in sea level, and a wide range of impacts on plants, wildlife, and humans. When scientists talk about the issue of climate change, their concern is about global warming caused by human activities. Scientists know for certain ... . A rapid change in climate could upset this balance and seriously endanger many living things. Most past climate changes occurred slowly, allowing plants and animals to adapt to the new environment or move somewhere else. However, if future climate changes occur as r...

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... to oxygen, breaking a large free energy drop into smaller steps that release energy, the process also make water as a byproduct. Cellular respiration ultimately makes carbon dioxide, which is accepted by plants and undergoes photosynthesis. In photosynthesis the reaction is like that of cellular respiration but backwards, 6 CO2 + 12 H20 + Light energy à C6H12O6 + 6 O2 + 6 H2O. In the reaction oxygen is created but ... rubisco can accept both O2 and CO2. Photorespiration decreases photosynthetic output by reducing organic molecules used in the Calvin cycle, and it is fostered by hot, ...

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... for diseases that presently scourge the human race. AAs of 1991 over 25% of the world=s pharmaceutical products were derived from tropical plants.@- Tropical forests are home to many types of cultural diversity. With the expansion of deforestation, Aboriginal people have had their land taken ... been exterminated in Brazil alone. With the loss of each cultural group we are also losing the group=s uniqueness and knowledge of forest plants and animals. Erosion and infertility of the soil is another consequence of deforestation. Heavy rainfalls and the sun=s heat quickly damages the ... ...

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... and gas. Oil spills throughout the ocean are not good for the environment. A chemical oceanographer could help in situations such as spilled oil and thus will result in saving many plants and animals living within the ocean. If there is a drilling deep down in the ocean and there happens to be a malfunction where oil is spilled, it could negatively affect wildlife ... . Oil is very toxic to most plants and animals except the bacteria that is capable of biodegrading the oil. Plants are a big factor in the oxygen cycle and help convert carbon dioxide into oxygen. This act of aggression wou...

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... humans to live healthy. Air pollution can be divided into two main sources; these sources are human activity and natural activity. Human activity ranges from large scale sources like power plants and manufacturing facilities to small scale activities like chemicals and also transportation. Meanwhile, natural activity includes smoke from wildfires, and volcanic activity. Air pollutants are known to have an adverse ... nitrogen oxides emitted into the atmosphere as air pollution is known to be at high levels (Harrison, 2004). Nitrogen dioxide (NO2) is known to form quickly from vehicles a...

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... "Greenhouse effect" we are now experiencing is a result of carbon dioxide we have dumped into the air. It turns clear, odorless air into hazy, smelly air that harms health, kills plants, and damages property. In general, air pollution and global warming results from pouring hundreds of millions of tons of gases and participates into the atmosphere including the major greenhouse gases ... an increasingly serious problem caused severe weather. This pollutant forms when moisture in the air combines with nitrogen oxide and sulfur dioxide released by automobiles, by factories, and by power p...

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... basically means how gases in an atmosphere affect the way that a closed system retains heat. Carbon dioxide plays a significant role in the greenhouse effect and global warming in a sense that plants need CO2 to survive. Also a great amount of CO2 is absorbed through natural processes. For example, the ocean absorbs C02 as well as ... is a process or activity through which the gas is released into the atmosphere. Both natural processes and human activities release greenhouse gases. Carbon dioxide is released into the atmosphere when plants decay. Microorganisms that consume and break do...

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... contaminants or metals, and fine sulphate and nitrate aerosols that form when so2 and nitrogen oxides condense in the atmosphere. The largest source of fine particles is coal-fired power plants, but auto and diesel exhaust are also prime contributors, especially along busy transportation corridors. The health effects of particulates are strongly linked to particle size. Small particles, such as ... earth as acidic rain, snow, fog or dust. When the environment cannot neutralize the acid being deposited, damage occurs. Atmospheric Pollution. Automobile exhaust adversely affects the health o...

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... -based fuels discharges greenhouse gasses are understood. Hydrocarbons, the general category for various kinds of fossil fuels when kindled as a basis of energy, whether running automobiles, manufacturing plants, trains, or coal-fired power plants, create greenhouse gasses that are encompassed by carbon dioxide and water. Also, burning some hydrocarbons produces methane and nitrous oxide. The resulting emission of greenhouse gasses traps energy ... ...

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• Grade Level: Undergraduate