某游客在福建漳州滨海火山地质公园考察时发现，园内海边一小山的东南沿海一侧植被低矮而稀疏（左图），而背海一侧的植被则高大而茂密（右图）。回答下列各题。

阅读理解

    Is there link between humans and climate change or not? This question was first studied in the early 1900s. Since then, many scientists have thought that our actions do make a difference. In 1997, the Kyoto Protocol explained our role in the Earth's changing atmosphere and set international limits for gas emissions(排放) from 2008 to 2012. Some countries have decided to continue these reductions until 2020. More recently, the Paris Agreement, stuck by nearly 200 countries, also aims to limit global warming. But just now how much warmer it will get depends on how deeply countries cut carbon emissions.

①促进人与自然的和谐之路

②发展科学技术和培养人才的基础

③推动经济持续快速健康发展的决定性因素

④在现代化建设中具有先导性和全局性的作用