给定一段英文文本和一个主题词，提取出与主题相关的句子并返回。
英文文本: "The world's forests are being destroyed at an alarming rate, with deforestation estimated to contribute about 15% of global greenhouse gas emissions each year. Many organizations are working to reverse this trend and protect the world's remaining forests."
主题词: 森林保护
与主题相关的句子： "Many organizations are working to reverse this trend and protect the world's remaining forests."