Our Environment Through Time

  • The Panama Canal

    The Panama Canal
    The canal cuts across the Isthmus of Panama and is a key conduit for international maritime trade
    Annual traffic has risen from about 1,000 ships in 1914, when the canal opened, to 14,702 vessels in 2008,
  • Libby, Montana Asbestos Contamination

    Libby, Montana Asbestos Contamination
    Decades of mining the vermiculite exposed workers and residents to toxic asbestos dust.
    As of 2010, the EPA had cleaned up 1,460 businesses and residences and removed about 900,000 cubic yards of contaminated material
  • The Great Smog of 52

    The Great Smog of 52
    was a severe air-pollution event that affected London during December 1952
    total number of fatalities was considerably greater, at about 12,000.
  • Castle Bravo

    Castle Bravo
    First United States test of a dry fuel hydrogen bomb
    Contained 15 megatons of TNT
    Most powerful bomb ever detenated by the U.S.
  • Minamata Disease

    Minamata Disease
    neurological syndrome caused by severe mercury poisoning.
    Symptoms include ataxia, numbness in the hands and feet, general muscle weakness, narrowing of the field of vision and damage to hearing and speech.
  • Silent Spring

    Silent Spring
    The book documented the detrimental effects on the environment—particularly on birds—of the indiscriminate use of pesticides.
    Silent Spring was a 4 year project
  • Eccocide in Vietnam

    Eccocide in Vietnam
    In 1965 US planes for the first time sprayed the defoliant Agent Orange to deforest the djungle but also causing major havoc on the civilians living in this area.
    poisoning their food chain and causing illnesses, serious skin diseases and a variety of cancers in the lungs, larynx, and prostate.
  • The Palomares Incident

    The Palomares Incident
    United States Air Force's Strategic Air Command collided with a KC-135 tanker during mid-air refuelling at 31,000 feet (9,450 m) over the Mediterranean Sea, off the coast of Spain
    killing three of the seven crew members aboard.
  • Tragedy of the Commons

    Tragedy of the Commons
    situation where individuals acting independently and rationally according to each's self-interest behave contrary to the best interests of the whole group by depleting some common ...
    widely-known by an article written by Hardin in 1968.
  • 1st Earth Day

    1st Earth Day
    events worldwide are held to demonstrate support for environmental protection.
    This day of nature's equipoise was later sanctioned in a Proclamation written by McConnell and signed by Secretary General U Thant
  • Environmental Protection Agency

    Environmental Protection Agency
    created for the purpose of protecting human health and the environment by writing and enforcing regulations based on laws passed by Congress
    The agency has approximately 15,193 full-time employees
  • The Seveso Disaster

    The Seveso Disaster
    It resulted in the highest known exposure to 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD) in residential populations which gave rise to numerous scientific studies and standardized industrial safety regulations
    Within days a total of 3,300 animals were found dead
  • The Love Canal

    The Love Canal
    Covers 36 square blocks in the far southeastern corner of the city; New York City
    Love Canal is one of the most appalling environmental tragedies in American history.
  • The Three Mile Island Nuclear Explosion

    The Three Mile Island Nuclear Explosion
    It was the worst accident in U.S. commercial nuclear power plant history. The incident was rated a five on the seven-point International Nuclear Event Scale
    Cleanup cost of about $1 billion
  • The Bhopal Disaster

    The Bhopal Disaster
    Over 500,000 people were exposed to methyl isocyanate (MIC) gas and other chemicals
    official immediate death toll was 2,259.
  • The Chernobyl Nuclear Explosion

    The Chernobyl Nuclear Explosion
    catastrophic nuclear accident
    An explosion and fire released large quantities of radioactive particles into the atmosphere, which spread over much of the western USSR and Europe.
    involved over 500,000 workers and cost an estimated 18 billion rubles
  • The Exxon Valdez Oil Spill

    The Exxon Valdez Oil Spill
    Occurred in Prince William Sound, Alaska,
    Spilled 11 to 38 million US gallons of crude oil
  • The Kuwait Oil Fires

    The Kuwait Oil Fires
    Damaged or destroyed approximately 85% of the wells in every major Kuwaiti oil field
    The total amount of oil burned is generally estimated at about one billion barrels
  • Baia Mare Cyanide Spill

    Baia Mare Cyanide Spill
    The polluted waters eventually reached the Tisza and then the Danube, killing large numbers of fish in Hungary and Yugoslavia. The spill has been called the worst environmental disaster in Europe since the Chernobyl disaster
    Was a leak of cyanide near Baia Mare, Romania, into the Someş River
  • The Three Gorges Dam

    The Three Gorges Dam
    world’s largest hydropower project and most notorious dam
    sets records for number of people displaced (more than 1.2 million), number of cities and towns flooded (13 cities, 140 towns, 1,350 villages), and length of reservoir (more than 600 kilometers). The project has been plagued by corruption, spiraling costs, environmental impacts, human rights violations and resettlement difficulties.
  • The Al-mishraq Fire

    The Al-mishraq Fire
    site of the largest human-made release of sulfur dioxide ever recorded when a fire (thought to have been deliberately started) gained control and burned for about three weeks
    fire was putting 21,000 tonnes of sulfur dioxide a day into the atmosphere.
  • Jilin Chemical Plant Explosions

    Jilin Chemical Plant Explosions
    An explosion at a petrochemical plant in China's northeastern Jilin Province resulted in the release of 100 tons of toxins into the Songhua River
    The explosions killed six, injured dozens, and caused the evacuation of tens of thousands of residents.
  • “An Inconvenient Truth

    “An Inconvenient Truth
    documentary film directed by Davis Guggenheim about former United States Vice President Al Gore's campaign to educate citizens about global warming via a comprehensive slide show that, by his own estimate made in the film, he has given more than a thousand times.
    grossed $24 million in the U.S. and $26 million in the foreign box office, becoming the tenth highest grossing documentary film to date in the United States
  • Sidoarjo Mud Flow

    Sidoarjo Mud Flow
    At its peak Lusi spewed up to 180,000 m³ of mud per day
    It is expected that the flow will continue for the next 25 to 30 years.
  • TVA Kingston Fossil Plant Coal Fly Ash Slurry Spill

    TVA Kingston Fossil Plant Coal Fly Ash Slurry Spill
    An ash dike ruptured at an 84-acre (0.34 km2) solid waste containment area at the Tennessee Valley Authority's Kingston Fossil Plant in Roane County, Tennessee, USA.
    Covering up to 300 acres (1.2 km2) of the surrounding land, damaging homes and flowing up and down stream in nearby waterways such as the Emory River and Clinch River
  • Deep water horizon BP oil spill

    Deep water horizon BP oil spill
    a sea-floor oil gusher flowed for 87 days
    it is considered the largest accidental marine oil spill in the history of the petroleum industry
  • Fukushima Daiichi

    Fukushima Daiichi
    9.0 earthquake and tsunami Hit the Fukushima Daiichi nuclear power plant on March 11th, 2011
    The disaster disabled the reactor cooling systems, leading to releases of radioactivity and triggering a 30 km evacuation zone surrounding the plant
  • Amoco Cadiz

    Amoco Cadiz
    she ran aground on Portsall Rocks, 5 km (3 mi) from the coast of Brittany, France; and ultimately split in three and sank, resulting in the largest oil spill of its kind in history to that date.
    contained 1,604,500 barrels (219,797 tons) of light crude oil
  • Pacific Gyre Garbage Patch

    Pacific Gyre Garbage Patch
    A gyre of marine debris particles in the central North Pacific Ocean
    These four currents move in a clockwise direction around an area of 20 million square kilometers
  • Door to Hell

    Door to Hell
    The gas reserve found here is one of the largest in the world. The name "Door to Hell" was given to the field by the locals, referring to the fire, boiling mud, and orange flames in the large crater
    Depth of about 20 metres (66 ft)
    Found in 1971
  • Gulf of Mexico Dead Zone

    Gulf of Mexico Dead Zone
    Dead zones are hypoxic (low-oxygen) areas in the world's oceans and large lakes, caused by "excessive nutrient pollution from human activities
    In the 1970s oceanographers began noting increased instances of dead zones
  • The Shrinking of the Aral Sea

    The Shrinking of the Aral Sea
    irrigation made the desert bloom, it devastated the Aral Sea
    As the lake dried up, fisheries and the communities that depended on them collapsed.
  • E-waste in Guiyu, China

    E-waste in Guiyu, China
    E-waste, or electronic waste, consists of everything from scrapped TVs, refrigerators and air conditioners
    about 70% of electronic waste globally generated ended up in China