Why Don't We Hear About the Ozone Hole Anymore?

The video discusses the historical issue of ozone depletion caused by CFCs and the successful global response through the Montreal Protocol. It highlights the parallels between this environmental challenge and the current issue of climate change, emphasizing the need for international cooperation and innovation to reduce greenhouse gas emissions. The video suggests that lessons learned from the ozone crisis can guide efforts to address climate change.

What was the main cause of ozone layer depletion identified in the 1970s?

• Sulfur dioxide emissions

• Methane emissions

• Carbon dioxide emissions

• Chlorofluorocarbons (CFCs)

Which company first took voluntary action to remove CFCs from their products?

• Procter & Gamble

• Unilever

• Nestle

• SC Johnson

What was the name of the international agreement that successfully addressed the ozone depletion crisis?

• Kyoto Protocol

• Paris Agreement

• Montreal Protocol

• Geneva Convention

How does the Montreal Protocol serve as a model for addressing climate change?

• By banning all industrial activities

• By focusing on reducing water pollution

• By encouraging the use of nuclear energy

• By requiring rich countries to help developing countries transition

What is a major challenge in addressing climate change compared to the ozone crisis?

• The reliance on fossil fuels for energy

• The absence of international cooperation

• The need to replace all electronic devices

• The lack of scientific consensus