为给定的英文段落生成摘要。


In recent years, there has been a growing concern about climate change and its impact on our planet. Many scientists believe that global warming is caused by human activities, such as burning fossil fuels and deforestation. This has led to rising sea levels, more frequent and intense natural disasters, and the extinction of many species. It is important for us to take immediate action to reduce our carbon footprint and protect the environment for future generations.
Growing concern about climate change and its impact on the planet. Global warming caused by human activities such as burning fossil fuels and deforestation. Rising sea levels, more frequent and intense natural disasters, and species extinction are results. Immediate action to reduce carbon footprint and protect the environment needed for future generations.