Read the clues and fill in the blanks. Choose from the box.

greenhouse effect, carbon footprint, stratosphere, global warming, ozone hole

1. Gradual increase in the average temperature of the earth's surface
2. Rise in temperature in the atmosphere due to heat trapped by gases
3. Reduction of the protective layer of ozone in the upper atmosphere
4. Total set of greenhouse gas emissions caused by an individual
5. Ozone is found in this layer of the atmosphere

1. Global Warming
2. Greenhouse Effect
3. Ozone Hole
4. Carbon Footprint
5. Stratosphere