Dear students,

Earth, the mother of man, the cradle of life. She has a blue expanse of the ocean, lush forests, and rich biodiversity. However, human activities are threatening her health. We must act now to protect her. Let's start by reducing waste, conserving water, and using renewable energy. Together, we can create a sustainable future for our planet.

Dear friends,

Water is very useful. We drink it, cook with it, and clean ourselves with it. But there is not much water in many places on Earth. We should save water. Every drop counts! Save our lives! Save energy. Most energy comes from coal and oil, which are finite resources. We should use renewable energy sources like solar and wind power. Start from me!

Dear fellow students,

As high school students, we carry the responsibility of shaping a sustainable future for our planet. The environment is the lifeblood of our existence. We have witnessed the devastating effects of climate change, such as floods, droughts, and landslides. It is imperative that we take action. Let's plant trees, reduce our carbon footprint, and advocate for environmental policies. Together, we can make a difference.

这些倡议书涵盖了节约资源、减少污染、使用可再生能源和保护生物多样性等主题。希望这些内容对你有所帮助。