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Tree Conservation
William Penn ordered that, in Pennsylvania, one tree was planted for every 5 that were cut down. This was the first time an act of conservation had happened while colonizing the new world. -
Yellowstone Act
Congress passed a bill making Yellowstone Park the first national park in America. It created a safe place for nature and the environmental wonders of this area. -
Soil Conservation and Domestic Allotment Act
This act was in an effort to control dust storms throughout the country. The included the dust bowl which affected over 100 million acres of land. -
First Ethanol Plant
Agrol was a new fuel source that was cleaner than what used to be used. It was sold throughout the midwest. -
Heavy Smog in San Francisco
In October of 1954, San Francisco schools had to be shut down because of heavy smog and pollution in the area. -
The Antarctic Treaty
This treaty has been signed by 46 countries to help stop the dumping of nuclear waste in Antarctica. -
Silent Spring
Rachel Carson's Silent Spring eplained the harmful effects of pesticides to the environment. Because of this, the use of pesticides was decreased significantly. -
Blue Marble Photo
The Blur Marble was the first picture of Earth from space that was released to the public. This photo made people become more aware of environmental issues happening on Earth and how to stop them. -
The Exxon Valdez Oil Spill
11 million gallons of oil spilled into Prince William Sound in Alaska. This was one of the worst oil spills of all time and many lving organisms died. -
David Chain
David Chain was protesting near a deforestation site against cutting down these trees. Then, one of the trees being cut down ell on top of him and he was killed.
