CLEAN : Climate change stirs ghosts of America's toxic past

The video discusses the environmental impact of flooding on areas with contaminants like pesticides and DDT, highlighting the risk of these substances entering waterways and affecting the food chain. It also addresses the effects of climate change, such as stronger hurricanes and floods, on vulnerable sites near rivers. Additionally, the video mentions mercury contamination in fish from the Tombigbee River, raising public health concerns.

What is the main concern about the contaminants in the flooded area near the pond?

• They will dry up and become harmless.

• They will cause immediate harm to humans nearby.

• They could migrate into waterways and affect the food chain.

• They might evaporate into the air.

How does climate change exacerbate the risk to sites with hazardous chemicals?

• By causing stronger hurricanes and more floods.

• By making the chemicals less reactive.

• By increasing the temperature of the rivers.

• By reducing the amount of rainfall.

What type of fish was tested for mercury in the Tombigbee River?

• Catfish

• Salmon

• Trout

• Largemouth bass

What is the public's reaction to reports of mercury in fish?

• They are confused.

• They are excited.

• They are alarmed.

• They are indifferent.

What is the concern with the largemouth bass in the Tombigbee River?

• They are invasive species.

• They are overpopulated.

• They have high levels of mercury.

• They are extinct.

What is mentioned about buoyancy in the context of the video?

• It is related to the fish's ability to swim.

• It is a property of water that affects flooding.

• It is briefly mentioned alongside DDT.

• It is a method to clean up contaminants.

What is the potential nature of DDT mentioned in the video?

• It is potentially corrosive.

• It is a natural substance.

• It is harmless to the environment.

• It is beneficial for plant growth.