Complex sentence: The peninsula has mainly a Mediterranean climate, though in the mountainous parts the climate is much cooler, and its natural vegetation includes macchia along the coasts and deciduous and mixed deciduous coniferous forests in the interior.
Split into simpler sentences: The peninsula has mainly a Mediterranean climate, though in the mountainous parts the climate is much cooler. Its natural vegetation includes macchia along the coasts and deciduous and mixed deciduous coniferous forests in the interior.