____ the Earth is getting warmer, sea ice is melting rapidly and sea level continues to rise. ____ flooding is more likely to happen. Summer in Hong Kong can be quite hot. ____ many people choose to turn on their air conditioners at home. They may set the temperature to very low. People will waste energy ____ they turn the air conditioners down. ____ the weather is cooler in autumn, some people still turn on their air conditioners. To save energy, we should use fans instead. Chinese New Year is an important festival in Hong Kong. Many people like buying new red packets and decorations every year. ____ people do not like reusing them, a lot of waste is produced. We will harm the environment ____ we recycle or reuse them. In recent years, environmental organizations started collecting used festive items ____ they can be reused.

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