1. The change in climate is a natural and continuous process because
2. The earth has witnessed many variations in climate since the beginning.
3. There are various geological records that show alteration of glacial and inter-glacial periods.
4. The sediment deposits in glacial lakes also reveal the occurrence of warm and cold periods.
5. The rings in the trees provide clues about wet and dry periods.
6. Historical records describe the variations in climate.
7. All these evidences indicate that change in climate is a natural and continuous process.
