The video discusses climate change, its natural and human causes, and its effects on the planet. It explains how natural phenomena like solar activity and volcanic eruptions influence climate, but emphasizes the significant impact of human activities such as deforestation and fossil fuel consumption. The consequences of climate change, including rising ocean temperatures, extreme weather, and threats to biodiversity, are explored. The video concludes with strategies for mitigating climate change, such as reducing carbon emissions and adopting sustainable practices.

What natural phenomenon is mentioned as a cause of climate change due to its cycles of activity?

• Volcanic eruptions

• Solar activity

• Ocean currents

• Earthquakes

Which theory attributes climate change to changes in Earth's tilt and orbit?

• Plate Tectonics Theory

• Milankovitch Theory

• Greenhouse Effect Theory

• Gaia Hypothesis

How does deforestation contribute to climate change?

• By reducing carbon dioxide absorption

• By increasing rainfall

• By increasing oxygen levels

• By cooling the Earth's surface

What is a major source of carbon dioxide emissions mentioned in the transcript?

• Wind turbines

• Fossil fuels

• Solar panels

• Nuclear power plants

What phenomenon occurs when coral expels algae due to stress from temperature changes?

• Coral spawning

• Coral bleaching

• Coral erosion

• Coral growth

What impact does climate change have on the salinity of ocean water?

• Increases salinity

• Fluctuates salinity

• Decreases salinity

• No impact on salinity

Which animal is mentioned as being at risk due to its specific dietary needs and habitat?

• Penguin

• Koala

• Elephant

• Polar bear

What is a potential consequence of climate change on bird migration patterns?

• Birds migrate earlier

• Birds stop migrating

• Birds migrate to the same locations

• Birds migrate later

What is one suggested action to reduce carbon dioxide emissions?

• Using more plastic

• Driving more frequently

• Biking instead of driving

• Increasing fossil fuel use

What is a 'living roof' designed to do?

• Reflect sunlight

• Increase building height

• Absorb more heat

• Reduce carbon dioxide and absorb heat