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47 Cards in this Set
- Front
- Back
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What is DDT when was it made and used? |
DDT is dichlorodiphenyltrichloroethane It was synthesized in 1874 and commercialized in the 1940s |
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What was DDT used for? |
DDT was used in agriculture as pest control. It was also used in WW2 to fight off yellow fever, malaria, typhoid, (insect borne ilnesses) |
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When was DDT banned? |
The US banned it in 1972. After the Stockholm conference in 2001 it was banned worldwide. |
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Why was DDT banned? |
It was feared that it may be carcinogenic to humans. Some insects developed a resistance to it. It persists in the envr we are still dealing with it today |
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What are the effects of DDT in animals and humans? |
Animals-liver problems, calcium metabolism(thing eggshelscand premature death in birds), cancer Humans-dizziness, vomiting, confusion, tremors, pricklong sensation in mouth. |
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What is the title of Rachel Carson's book? And what did it adress? |
Title-silent spring. Assessed the potential longterm effects of DDT and other pesticides on the environment, humans and animals. |
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Was silent spring well received? |
People were resistant to the idea, and the ban because they thought without the insecticides there would be less food. Now Carson's findings are regarded as important and valuable. |
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Is DDT still being used today? |
WHO approves of the indoor use of DDT to treat malaria. Some still want a FULL ban |
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When was Safe The Whales founded? |
1977 |
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What is the mission of save the whales? |
To educate the public, especially children about marine mammals and the fragile ocean environment |
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When did the worlwide ban on whaling come into play? Has it helped? |
1986. Whaling is still done even though the hunting and trade or sale of whale meat is illegal. Iceland Norway and Japan kill approx 1500 annually for meat. |
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What environmental groups came about during the 70s? |
National wildlife association World wildlife fund American cetacean society Most importantly Greenpeace |
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What organisation took the first confrontational approach? And what did they do? |
Greenpeace. They separated a Russian whaling ship from its target whales. In an area called Mendocino ridge 40 mile off Cali coast |
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What were the results of greenpeace's "in water" protest? |
Video footage of the event was broadcast all over the news and the story got the front page of newspapers, finally they were spreading the word |
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What groups emerged after the in water protest event? |
Safe the whales- focus on education sea Shepherd Conservations Society -direct approach hands on |
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List 3 destructive opperations that safe the whales stopped. |
U.S Navy prevented from detonating 269 ship shock explosives in southern Cali waters. Worked with U.S and Mexican envr groups to halt Mitsubishi salt mining in the last undeveloped gray whale birthing lagoon. Rescue efforts, coast guard operation in southern Cali helps sea creature and sea birds that have been entangled in nets or cought in dangerous situations.
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Approximately how may whales have been slaughtered for profit since the 1986 moratorium? |
35,000, |
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How much of the good chain can be effected by DDT and how can you get rid of it? |
All of the good chain. It is not water soluble, it can not be broken down by air or light |
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What President read silent spring? What newspaper was it publishes in? |
JFK. The New Yorker. |
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Carson spent how many years writing her book? |
6 yrs and utilized sources in federal science and private research |
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Name 3 local issues |
Rainwater capture, food scraps ban, car and bike sharing |
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List benefits and disadvantages of car and bike sharing |
Benefits: Saves money, not in charge of car maintenance, environmentally friendly decreasing a mount of cars on road. East to use bike app convienent to pay, job growth Disadvantages: might not always be able to find vehicles, hard to get to vehicles of you live out of the way, bikes or cars getting stolen, won't be available all the time (reliability) |
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List 4 reasons the CRD want to implement a good scraps ban? |
1. Promoting sustainable waste managment 2.educate and inform public about waste alternatives. 3. 30%of Harland landfill is foodscraps and organic matter 4. CRD banned foodscraps in landfilcto extent landfill lifespan |
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List the benefits and disadvantages of the food scraps ban. |
Benefits: most residents were prepared for ban, acessable backyard composting, strong support. From community Disadvantages: smell in cobble hill recycling center |
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What are some ways for people to capture rainwater |
Green roof, infiltration chamber(gutter into ground filtered and into surrounding soil excess to municipality), rain gardens, permeable paving, rain barrel cisterns, and bioswales |
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List some benefits and disavantages of rainwater collection |
Disadvantages: Disrupts natural flow, apply-install-(maybe get rebate), expensive to construct, Benefits: water used for gardens, or goes back into the soil instead of the ocean. |
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Name 3 legally endangered species and why they are endangered |
American white pelican,(disruption of breeding sites by human or industrial factors) burrowing owl, (live in grasslands those are prime for human development) Vancouver island Margot(not enough high elevation treeless habitat) |
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Define "protected bike lane" |
Provide a sence of comfort and saftry, especially to novice cyclists. These lanes will be located in the rosdwaycbut separated from pedestrian sidewalks and vehicle roadways, and will have a barrier separating them from on street traffic. |
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What are the 5 streets for cycling collisions |
Bay st, Fort st, Esquimalt rd, George rd East, Pandora Ave. |
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What are the 8 planned corridors for the primary cycling network |
Harbour rd& Wharf st&Belleville st Haultain st&Kings rd Begbie st& Shelbourbe st Pandora Ave& Oak bay ave Govornment st Fairfield rd Cook st First st |
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Name the 10 eco regions of BC from left to right top to bottom |
Northern Boreal mtns, taiga plains, sub boreal interior, Boreal plains, Northeast coast, coast and mtns, central interior, southern interior mtns,Georgia depression, southern interior |
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Define neighborhood greenways |
Neighborhood greenways are areas with lower levels of road traffic and speed limits around 30km. On roads such as these cyclists band vehicle usually coexist with little difficulty. Roads like these require little or no improvement |
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Define off street pathways |
Off street pathways are wide pathways that are separate from vehicle roadways, they may be designated for cyclists only or cyclists, padestrians, and other non-motor users |
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When did big Sandy spill? How many gallons? |
2000 306,000,000 gallons |
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How much of the Sandy river system was contaminated? Where is Sandy located? |
300-500kms worth. Border of Kentucky and West virginia |
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What kids of fines did Massey energy end up paying? |
3 mill in local fines 46mill in cleanup |
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What did the cleanup effort entail? |
Pumping sludge, clearing water intakes, planting seeds, applying lime to solidify sludge |
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Describe characteristics of the northern boreal mtns |
mM blow through gap in mtn ranges and balance temp, lots of animals migration in these areas. Diverse habitat. |
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Describe characteristics of taigal plains |
Forested Flatlands pittiful trees, plateau, quiet unproductive but good for clearcutting |
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Define the characteristics of the sub boreal interior. |
Cold winter temp from arctic aor. Draining river into the Skeena. Mtn ranges capture cold humidity and have glaciers |
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Define the characteristic of the boreal plains |
Cold in winter warm in summer. Seasonal darkness. Aspen parkland, peace river plateau/watershed/floodplain. Lots of snow accumualtion, make bogs |
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Describe the characteristics of the central interior |
Flanking mtns |
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Describe the characteristics of the southern interior mtns |
dense forest on windward side, deciduous trees in valleys |
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Describe the characteristics of the southern interior |
Low precip low humidity, seasonal extreme temps. Wide spaced trees, geasslands, BC dessert located herr |
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Describe the characteristics of the Georgia Depression. mM and summer California breese |
Mtn flanked valleys, in a rainshadow. Mild temps and wet climate |
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Describe the characteristics of the Coast and Mountains |
Long strip of spine mtns. Capture and hold rain and snow. Support dense forest habitat. Summer California breeze and mM Come against the mtns. |
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Describe the characteristics of the Northeast Coast |
The entire Pacific ocean cold nutrient rich water |
