climate and natural features
Refers to the overall climate and geographical character of a region, often used in discussions of regional culture, agriculture, or lifestyle.
The climate and natural features of this region are suitable for rice cultivation.
When the climate and natural features differ, food culture also changes.
気候 refers specifically to climate (temperature, rainfall, etc.), while 気候風土 includes the broader natural environment and topography.
風土 alone means natural features or climate of a region, but 気候風土 is a more formal compound emphasizing both climate and geographical character.
Compound of 気候 (climate) and 風土 (natural features, climate). The combination is a straightforward Sino-Japanese compound.