Due to global warming, larger and larger areas of sea ice melt in the summer and when sea ice freezes over in the winter it is thinner and more reduced. (sciencedaily.com)
As sea ice melts in the summer, it exposes the dark ocean surface. (nsidc.org)
It's non-toxic to plants and pets and can be used as ice melt for concrete that has been cured. (geekwrapped.com)