Topic: climate change: melting ice and and sea-level rise lists and pictures to reflect the progress of global climate change, so that more people can understand the impact of climate change on us and how it is changing much faster than we think, and remind more people to protect the environment. Topics we hope to cover: 1. The causes and history of climate change. 2. The current stage of climate change and the impact of climate change on human beings. 3. Solutions: how can humans respond to climate change. Write on how can humans respond to climate change.