Cause: OPEC embargoed oil exports to countries supporting Israel. Effect: Sharp increase in oil prices, shortages, and disruptions to the global economy.

Cause: Cooling system failure at a nuclear power plant. Effect: Public fear and skepticism about nuclear power.

Cause: Rachel Carson's investigation into the effects of pesticides. Effect: Increased public awareness, DDT ban, and the establishment of the EPA.

Cause: Human error and modern technology in the oil industry. Effect: Reinforced public fears about environmental damage from oil.

Author of Silent Spring, which exposed the dangers of pesticides and catalyzed the modern environmental movement.

Exposed the dangers of pesticides like DDT and is considered a catalyst for the modern environmental movement.

Highlighted the dangers of human error in the oil industry and reinforced public fears about environmental damage.

OPEC embargoed oil exports to countries supporting Israel, leading to sharp oil price increases and shortages.

Set corporate standards for gas mileage in response to the oil crisis.

A near meltdown at a nuclear power plant in Pennsylvania, leading to public fear and skepticism about nuclear power.

Helped raise awareness about environmental problems and catalyzed environmental action.

Aimed to combat industrial pollution of waterways.

Protected threatened and endangered species and their habitats.

Created to identify, investigate, and clean up hazardous waste sites.

Reinforced fears about nuclear power globally due to the release of large amounts of radiation.