| A | B |
| deforestation | destroying and cutting down trees |
| global warming | Earth's temperatures are increasing |
| greenhouse effect | natural heating process that traps heat |
| seasons | short periods of climatic change |
| Earth's tilt | Causes the seasons |
| carbon dioxide | greenhouse GAS |
| tropics | zone that has the most solar radiation |
| latitude | distance north or south of the equator |