The effect of global climate change upon Shishmaref is sometimes seen as the most dramatic in the world. Rising temperatures have resulted in a reduction in the sea ice which serves to buffer Shishmaref from storm surges. At the same time, the permafrost that the village is built on has also begun to melt, making the shore even more vulnerable to erosion. In recent years the shore has been receding at an average rate of up to 10 feet (3.3 m) per year. Although a series of barricades has been put up to protect the village, the shore has continued to erode at an alarming rate. The Army Corps of Engineers has build a series of walls but none have been completely effective against waves. The town's homes, water system and infrastructure are being undermined. Currently, Shishmaref has obtained funds to construct seawalls that protect some of the shoreline.