【明報專訊】Did you know that our world is getting warmer? Global warming is a worldwide emergency which is caused by too much greenhouse gas. Greenhouse gas traps the heat and makes the earth hotter. How do different countries help with this problem?
【明報專訊】Did you know that our world is getting warmer? Global warming is a worldwide emergency which is caused by too much greenhouse gas. Greenhouse gas traps the heat and makes the earth hotter. How do different countries help with this problem?