Climate Change and Its Impacts

The video discusses the consensus among scientists that the Earth's surface has warmed significantly over the past three decades, with the Northern Hemisphere experiencing the warmest period in 800 years. It highlights the contrasting trends in sea ice, with increases in Antarctica and decreases in the Arctic. The melting ice contributes to rising sea levels, which have accelerated in recent years. The video attributes these changes to rapid industrialization, leading to a 40% increase in global greenhouse gas emissions since 1990. The USA and China are identified as major contributors. The video concludes with a call for urgent global action to prevent irreversible climate damage.

What period has been the warmest on record in the Northern Hemisphere over the last 800 years?

• The last 50 years

• The last 30 years

• The last 10 years

• The last 100 years

What is the rate of decrease in Arctic sea ice during the summer months?

• 5 percent per decade

• 4 percent per decade

• 3 percent per decade

• 2 percent per decade

How much has the sea level rise accelerated in the last 20 years compared to the previous century?

• It has tripled

• It has nearly doubled

• It has remained the same

• It has slowed down

What is the UN confident that climate change is responsible for?

• Technological advancements

• Population growth

• Droughts and reduced crops

• Increased rainfall

Which country was the largest emitter of greenhouse gases in 1990?

• USA

• India

• Russia

• China

What percentage of global emissions does China contribute as of the latest data?

• 22 percent

• 15 percent

• 20 percent

• 18 percent

What is the main cause of the rapid increase in global greenhouse gas emissions over the past 20 years?

• Increased agriculture

• Rapid industrialization

• Deforestation

• Natural disasters

How many coal plants did China approve in a single year despite overcapacity?

• 100

• 125

• 155

• 180

What is the potential consequence if advanced nations do not reach a climate agreement soon?

• No damage

• Minimal damage

• Irreversible damage

• Reversible damage