Cambio climático: el cambio climático y los seres humanos

The video discusses the history of Earth's climate changes, highlighting the recent human-induced changes due to increased greenhouse gases, particularly carbon dioxide from fossil fuels. It explains how these emissions contribute to global warming and suggests ways to mitigate the greenhouse effect by reducing fossil fuel use, such as driving less and conserving energy.

What has been identified as the primary cause of the recent changes in the Earth's climate?

• Natural climate cycles

• Human activities

• Solar flares

• Volcanic eruptions

Which gas is most associated with the greenhouse effect due to burning fossil fuels?

• Carbon dioxide

• Nitrous oxide

• Ozone

• Methane

What are fossil fuels primarily composed of?

• Nuclear materials

• Coal and oil

• Biomass

• Renewable energy sources

Which of the following actions can help reduce the greenhouse effect?

• Using more plastic products

• Driving more frequently

• Burning more coal

• Using less energy

How can individuals contribute to reducing fossil fuel consumption?

• By ignoring energy conservation

• By using fewer products made with fossil fuels

• By increasing energy usage

• By using the car more often