Match the halves of the expressions.

Сопоставим части выражений из упражнения:

• 1 greenhouse - i gases
• 2 climate - f change
• 3 fossil - a fuels
• 4 power - g stations
• 5 forest - b rainforests
• 6 carbon - h dioxide
• 7 sea - c levels
• 8 ice - e caps
• 9 environmental - d problems
• 10 tropical - j fires