Environmental Impact of Human Activities

What is one of the major consequences of the exponential growth of the human population?

• Decreased pollution

• Abundance of natural resources

• Increased biodiversity

• Shortage of food in some countries

Which of the following is NOT a greenhouse gas mentioned in the video?

• CFCs

• Carbon dioxide

• Methane

• Oxygen

How have humans significantly increased the levels of carbon dioxide in the atmosphere?

• By planting more trees

• By burning fossil fuels

• By reducing vehicle emissions

• By using solar energy

What is a potential effect of global warming on polar ice caps?

• They will become thicker

• They will remain unchanged

• They will expand

• They will melt

What change might occur in ocean currents due to global warming?

• They will stop completely

• They will become more predictable

• They will change significantly

• They will remain the same