400 partes en un millón: El experimento más grande del mundo

The video discusses a global experiment on CO2 levels, highlighting the historic milestone of reaching 400 ppm in the atmosphere. It explains the methods contributing to this increase, such as burning fossil fuels and deforestation. The significance of 400 ppm is explored, marking a new phase in human history with unknown consequences. The video outlines the environmental impacts, including more frequent natural disasters and rising sea levels. It concludes with a call to action, urging individuals and corporations to take responsibility for reducing emissions.

What was the concentration of carbon dioxide in the atmosphere 100 years ago?

• 400 parts per million

• 300 parts per million

• 500 parts per million

• 200 parts per million

Which of the following activities does NOT contribute to the increase of carbon dioxide levels?

• Burning coal

• Planting trees

• Using natural gas

• Making cement

Why is the 400 parts per million mark considered significant?

• It is the highest level ever recorded.

• It marks a new phase in human history.

• It is the lowest level in 800,000 years.

• It is a target set by environmentalists.

What are some of the effects of increased carbon dioxide levels mentioned in the video?

• Lower global temperatures

• More frequent earthquakes

• Increased sea levels

• Decreased rainfall

What is the video’s call to action regarding individual responsibility?

• To take personal actions to reduce emissions

• To rely solely on corporations to make changes

• To wait for government policies to change

• To ignore the issue as it is not significant