Ciara Er's List: Bio Science fair Ciara Erenberger

• plastic, glass, rubber, metal, paper, wood, and cloth
• Marine debris
• main sources of marine debris are:  beach-goers, improper disposal of trash on land, stormwater sewers and combined sewer overflow, ships and other vessels, industrial facilities, waste disposal activities, and offshore oil and gas platforms.
• thousands of people visit our bay area beaches
• wrappers, cans, cigarette butts, and toys like shovels, pails, and beach balls

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• pollution of major proportions has been a problem since the  centuries preceding the Middle Ages,
• Water is essential to life
• importance of     clean    water was not understood until the second half of the nineteenth century
• In ancient Rome, sewers carried human  waste into the Tiber River
• river was so polluted the Romans had to construct aqueducts to  obtain clean drinking water
• typhoid and cholera outbreaks
• human waste was carried in American rivers for  centuries.
• industrial waste was also discarded in rivers  and streams.
• Factories found water  sources, especially rivers, a convenient means of waste disposal.
• water pollution became a major crisis.
• 1972 Clean Water Act
• • post ww2 lots of industries= lots o f advancements
    ~antibiotics~Pesticides-helped control typhus,malaria=but waste products= bad for environment. caused dieoffs, cancer rates, birth defects, lower iq in people who used water. invaluable creations so effects were ignored.
• The use of DDT in many nations was subsequently banned.
• DDT is  currently approved only for control of insect-borne diseases such as  malaria,

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• major environmental issues today.
• numerous diseases that affect living beings present in the biosphere
• marine and terrestrial life forms
• merging into oceans and rivers also contaminate them
• throwing of waste into the water bodies.
• Dirty water
• • Point sources: Pollutants= directly into main body of h2o.
    ~Pipes=waste matter/sewage treatment, ditches, running canals
    ~waste from factories=directly thrown into water
• herbicides and pesticides used extensively in farming can build up in lakes, rivers, ponds and streams
• highly poisonous to fish and other creatures dwelling in water
• This type of water pollution is more prevalent in villages.
• plastic, anti-freeze chemicals, vegetable wastes, detergent wastes, etc., are more frequently disposed off from households
• often thrown into nearby canals and ponds
• Ground water pollution takes place when contaminated rainwater seeps underground.
• important global concern

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• • Animals trapped in trash. injured. polluted water reduces % of drinkable water

• Water is the most abundant molecule on Earth.
  Approximately 70% of the Earth's  surface is water.
• It's estimated that 1.1 billion people don't have easy access to drinking water, and 2.6 billion people don't have water that's
  clean enough.

• Water pollution can have a drastic impact on aquatic life in any body of water,
• can result in the complete elimination of certain species
• heat pollution can create an environment that causes aquatic animals to have difficulty breathing,
• can be toxic to aquatic life
• water tainted
• likely be toxic to land animals that attempt to drink it
• pollution reduces the amount of safe drinking water
• • water pollutants- into aquatic creatures-into land animals- into humans. causes problems in water and couuld cause problem in food.
• population of humanity increases, and demand for water goes up
• water pollution is likely to become an increasingly critical issue.
• harmful pollutants will evaporate into the air along with the water

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• 14,000 people die every day
  as a result of polluted water.
• water pollution begins in streams and rivers which make their
  way to an ocean.