The 68th Parallel is a circle of latitude located 68 degrees north of the Earth's equatorial plane. It runs through several countries, including parts of Norway, Sweden, and Russia. This parallel is significant in geography and climate studies, as it marks a region characterized by cold temperatures and unique ecosystems. In the context of Arctic exploration, the 68th Parallel is often referenced in discussions about the Arctic Circle and its impact on climate change. The area north of this parallel experiences extreme seasonal variations in daylight, influencing both wildlife and human activities in the region.