Saturday, 21 June 2014 00:00

Fertilizer: Go Native. Save the Planet.

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High Tech High Blog Series: Blog 6 of 7

What comes to mind when you read the word “fertilizer?”  Lawns? Farms? Family garden projects? What about water pollution and dead zones?

It’s hard to believe a substance famous for helping plants flourish in one environment can destroy other environments only a few miles away in our lakes, rivers and ocean.

Fertilizers are made up of mostly nitrogen and phosphorus  which, when applied sparingly and responsibly, can create a healthy, strong plant. But when overuse and over watering cause these compounds to flow into other areas, they cause aquatic plants to grow out of control and overrun their delicate ecosystems. 

This is Where YOU Come In. 

native-plants water conservation fertilizerYes, YOU and everyone with a lawn or garden can help end fertilizer pollution.  It takes a lot of work to keep nonnative plants alive in Southern California, because those plants natively thrived in a much wetter, more fertile environment. Instead of breaking out the hose and fertilizer spreader, consider the many beautiful and delicate native plants that love the Southern California heat.

 

 

These plants love the San Diego climate as much as you do:

- Miniature Hollyhock                     - White Sage

- California Lilac                            - Wooly Blue Curls

- Manzanita                                   - Desert Mallow

- Baby Blue Eyes                           - Ian Bush

- Lemonade Berry                          - Milkweed

 - Sugarbush                                  - Scarlet Bugler

And many more native plants

If you can’t bear to part with your beautiful garden, try a natural fertilizer like recycled coffee grounds (free from Starbucks!) before you heap on the chemicals.  Remember, there’s always a natural alternative. You just have to be willing to find it. 

To research and help prevent further pollution, a class of 50+ students from High Tech High school in Point Loma, California teamed up with San Diego Coastkeeper® to conduct the “Oceans Away Project,” a project designed to help inform the public of the consequences of their daily actions.
 

 

 

Wednesday, 18 June 2014 00:00

Heavy Metal Pollution: Not So Natural Rainbows

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High Tech High Blog Series: Blog 5 of 7
 heavy-metals oil rainbow pollutant toxin street
While driving down the road on a rainy day have you ever noticed the rainbow that flows into the storm drains? Many times you will see cigarette butts, trash and other miscellaneous objects flowing down the road to the storm drains, which lead to the ocean. Many people who drive every day or who have a boat that they actively use, are unaware that there are metals on these vehicles that accumulate in the environment. 
 
Metals such as aluminum, copper, cadmium, zinc, accumulate on the roads, and are washed through storm drains into the ocean during each rain. We call these heavy metals. 
 
Metals in boat paint deteriorate and leach into the water, contaminating surrounding waters. The paint used on the hull of the boat contains copper in order to specifically kill off marine organisms. These metals can bring a great amount of toxicity to the ecosystem that they run into. 
 
In a survey designed by a junior class from High Tech High, over 60 percent of participants thought that they did not or were not aware that they contribute to heavy metal pollution simply by driving or using their boat. 
shipyard heavy-metal pollution toxic ocean 
While the everyday actions of humans are a large source of pollution, waterfront industries where boats are used can be major contributors to pollution. In 2012, the San Diego Bay Shipyards cleanup began as an attempt to tidy up the ocean area in the shipyards due to the amount of pollution that is in the water. Toxic heavy metals have accumulated at the floor of the bay, which can cause mutations and poison the fish that live there. The parties responsible for this are given five years total to cleanup the area. This was a huge step to cleaning up the bay, but more must be done in order to keep our local waters clean. One thing we can do as individuals is to drive less and make sure we properly dispose of all waste in order to help prevent ocean pollution.  
 
To research and help prevent further pollution, a class of 50+ students from High Tech High school in Point Loma, California teamed up with San Diego Coastkeeper® to conduct the “Oceans Away Project,” a project designed to help inform the public of the consequences of their daily actions.
 
 

Heavy metal contamination can come from a variety of sources: the paint on boats, zinc in your tires, etc. Heavy metals contaminate the water and settle along the ocean floor where bottom feeders tend to feed. Though only small amounts of metal is consumed, when larger fish that are higher up in the food chain eat the bottom feeders, a higher concentration of the toxin is then present in their body. This is chain reaction is called biomagnification. Since humans are the top on the food chain, humans are also affected by biomagnification, making it a subtle yet dangerous problem.

Heavy Metals Infographic


http://www.safewater.org/PDFS/resourcesknowthefacts/Oil_Spills.pdf
 

 

High Tech High Blog Series: Blog 4 of 7

prescription-medications water pollutionPhoto Credit. National Cancer Institute, J. Troha

 

How We Contribute to the Problem

 

We are the problem. 

 

The county outputs 175 million gallons of sewage every day through the Wastewater Treatment Plant on the end of Point Loma. The waste travels out a 4.5-mile tank and is dumped through a 12 ft. diameter pipe into deep ocean water. This is problematic because many believe the pollutants dumped along with this waste are harmful to the environment.

 

The amount of pharmaceuticals and personal care products (PPCPs) introduced to our environment is a leading cause of concern. With the amount of individuals taking prescription and non-prescription drugs on the rise, scientists fear an increase in bacterial resistance.

 

Medicine Can Be Toxic?

Additionally, the increase in the use of birth control, which is among these medications that are not regulated and enters our sewage system at 90 percent effectiveness, is responsible for disrupting our endocrine hormones inducing things like breast cancer, endometriosis, birth defects, abnormal sexual development, lowered sperm counts. There have also been world-wide accounts of the feminization of male fish near sewage treatment plants.

sewage

 

These untreated PPCPs travel through our sewage, surface and ground water, eventually affecting our drinking water and working their way up the food chain through bio magnification.

 

Due to the population increase and a larger consumption of drugs per capita, PPCP use and therefore contamination is on the rise. Even low levels of medicines found in our waterways hurt fish and aquatic life. Especially around these “hot spots,” that is areas close to sewage runoff, researchers have observed negative changes in fish behavior and reproduction.

 

How We Can Help

Learn more about Proper Disposal of Medications and Pharmaceuticals. Also, help the issue by supporting clean and sustainable water through potable reuse projects

 

Supporting new legislation to change sewage treatment plant treatment processes to better remove PPCP is another great way to contribute to the cause. 

 
To research and help prevent further pollution, a class of 50+ students from High Tech High school in Point Loma, California teamed up with San Diego Coastkeeper® to conduct the “Oceans Away Project,” a project designed to help inform the public of the consequences of their daily actions.
 

Sewage is a large environmental problem but not for the reasons that most people think. A big reason why sewage is a problem is because of the excess hormones released in human waste. Only a small percentage of medication is absorbed into the body while the rest is expelled and finds its way to the ocean in sewage. Although wastewater treatment plants are able to remove around half of the hormones, there are still many steps that we need to take to remove the problem completely.

Sewage Infographic

 

http://www.kisr.edu.kw/webpages/mishref/docs/rsmpis.pdf

http://www.arhp.org/publications-and-resources/contraception-journal/august-2011

http://www.health.harvard.edu/newsletters/Harvard_Health_Letter/2011/June/drugs-in-the-water

http://animals.pawnation.com/chlorination-affect-marine-life-5455.html

 

High Tech High Blog Series: Blog 3 of 7

What are the sources of pollution?plastic-bottle-of-water-s

To understand the problem with plastic pollution, a group of students researched the common sources and effects of plastic pollution. As a result of their research, they found that 90 percent of the ocean’s trash is actually plastic. Research shows that 80 percent of the marine debris, including plastics, comes from land while 20 percent comes from boats. The most common sources of this pollution are disposable plastics like bags and bottles, and fishing gear that come from ships. 

What are the effects?

The students discovered that the problem with plastic pollution is that the plastics last forever-this means the plastic continues to pollute the environment at every stage of its existence. Because of this, the ecosystem of the ocean, animals, and people are affected negatively. Animals can accidentally ingest or get entangled in plastics, leading to fatal results, while the marine debris in the ocean can harm the aquatic vegetation or suffocate coral.

dsc 2788-sHow can it be fixed?

After finding out how plastic pollution can have negative impacts on the environment, the students moved on to figuring out how people today could fix the problem:

1. Find alternative to plastics, like reusable bags and water bottles

2. Throw away or recycle plastics and trash properly rather than litter

3. Participate in beach cleanups

                                                                                 4. Support single-use plastic bag bans

 What has been done so far?

 Beach cleanup data from Coastkeeper beach cleanups suggests that a lot of the trash that was picked up was plastic. Because plastic is non-biodegradable, it will only keep breaking down into microscopic pieces in the ocean, making it much harder to actually clean up all of the plastic in the ocean. Also, the borken down plastic begin to resemble plankton, a common food source for marine life. So by completing these beach cleanups every year, more of the plastic that ends up on the beach can be picked up before it ends up in the ocean to break down and further pollute the environment. 

To research and help prevent further pollution, a class of 50+ students from High Tech High school in Point Loma, California teamed up with San Diego Coastkeeper® to conduct the “Oceans Away Project,” a project designed to help inform the public of the consequences of their daily actions.
 

 

Plastic, though it was seen as a great technological advancement, has shown the world and the environment it’s dark side. Plastic, which has been used in just about every field, from medicine, to toys, has taken a huge toll on our environment. It washes up on beaches, is ingested by animals, and disrupts ecosystems. But that isn't all. Plastic has a bigger environmental impact than most think. We use oil to produce all the plastic that is used around the world making it so we are manufacturing our own demise

Plastic Infographic

.

http://plasticbaglaws.org/wordpress/wp-content/uploads/2010/04/industry_Eureka-Recycling-newsletter-re-plastic-recycling.pdf

http://en.wikipedia.org/wiki/Bisphenol_A

http://www.cleanwater.org/feature/problem-of-marine-plastic-pollution

http://www.seaturtlecamp.com/blog/2014/05/07/one-plastic-buffet-please/

http://www.biologicaldiversity.org/campaigns/ocean_plastics/

http://science.howstuffworks.com/environmental/earth/oceanography/great-pacific-garbage-patch.htm

http://www.plasticoceans.net/the-facts/energy-consumption/

http://coastalcare.org/2009/11/plastic-pollution/

Thursday, 12 June 2014 00:00

High Tech High Blog Series

Written by

High Tech High Blog Series: Blog 1 of 7

 
My eleventh grade class from High Tech High will begin publishing the results from our oceanic research project that uncovered water quality issues in San Diego and explored the public’s general knowledge of these issues. With the help of San Diego Coastkeeper® (Coastkeeper), we researched how different pollutants negatively affect the environment, conducted a survey of the general public and collected and tested water from six locations in San Diego. 

To Cut to the Chase: 

Bacteria: San Diego’s Favorite Canine-Friendly Beach is Clean

ResearchCH2M Hill water pollutants research

In groups the students researched topics related to water pollution. Each group documented information that they had gathered and shared their findings with the other student groups. Travis Pritchard, program manager at San Diego Coastkeeper (Coastkeeper) gave a presentation to the class about Coastkeeper's research. The students also learned about how contaminants travel through the environment with a presentation from Kyle Winslow, who works for CH2M Hill.  

Water Testing

Each group of four students was assigned a site in San Diego County, to collect and test water samples. Each week a group of students traveled to the different locations to collect water samples. The samples were then taken back to Coastkeeper to begin fecal indicator. After a 24 hour incubation period, students returned to the lab to observe the samples and record the data.

water  testing ocean-beach research water quality

Survey

Using this information gathered from the research and water testing phases, the students created a survey to gauge the public's awareness of the environment. The students conducted the survey with over 1,100 people from San Diego. The survey results were presented to the public during a school exhibition.

Infographics

With the information from the research, water testing and survey phases, each group of students created an infographic about their chosen water contaminant. The infographics showcased the water testing data and survey results.
 
Fertilizer Pollution

Presentationsdive-club water quality research pollutant presentation

The students created PowerPoint presentations of the information gathered during the project. The presentations were presented to the public during a school exhibition at High Tech High. At the exhibition, visitors were able to learn and ask question about the project and the environment. A presentation and a survey was also conducted at a divers club meeting in San Diego.

Blog Series

As the project came to an end, the students documented their work by again partnering with Coastkeeper to create a blog series that would detail the project, research and their findings. 
 
To research and help prevent further pollution, a class of 50+ students from High Tech High school in Point Loma, California teamed up with San Diego Coastkeeper® to conduct the “Oceans Away Project,” a project designed to help inform the public of the consequences of their daily actions. 
 

High Tech High Blog Series: Blog 2 of 7

Everyone knows cigarettes are harmful-smoking is hazardous to human health. An additonal problem is that people rarely realize just how large their impact on the environment can be (especially for our beaches and oceans). The following list comprises facts and figures that we researched.


cigarettes toxin water pollutantAn estimated 45.3 million people in the United States smoke cigarettes.

Cigarettes are 100 percent non-biodegradable.

An estimated 1.69 BILLION POUNDS of cigarette butts end up as litter worldwide every single year. That is a mind boggling amount of cigarette butts, and a large amount of them will end up in our oceans through urban runoff. When cigarettes are carelessly dropped on the ground rather than properly disposed of, they get washed into storm drains when it rains, which lead directly to the ocean.

To say it simply: Cigarette butts kill sea life-whether it is death by ingestion or from toxic chemicals leaking into the water.

Cigarette debris is responsible for the death of one million sea birds and 10,000 mammals every year. Cigarette waste has huge environmental effects. Effects so large that it is hard to even wrap your mind around.

In 2013, volunteers collected 157,098 items of debris from San Diego beaches. Of that 157,098, a whopping 37 percent of every piece of trash collected was cigarette butts. 

Cigarette butts are so toxic (they contain over 4,000 chemicals that can be released into the environment) that it has been recommended by the Cigarette Butt Advisory Group that they be placed on the list of hazardous waste.

Cigarettes contain toxic chemicals including arsenic, acetone, bleach, and nicotine.

cigarette toxin water pollutantPeople rarely realize that when they drop a cigarette butt on the ground far away from the beach, it can still end up in the ocean.

Cigarette butts are the most littered item in the United State and the entire world.

 
 
 
 
 
 
To research and help prevent further pollution, a class of 50+ students from High Tech High school in Point Loma, California teamed up with San Diego Coastkeeper® to conduct the “Oceans Away Project,” a project designed to help inform the public of the consequences of their daily actions.
 
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