Summary:The polar vortex has struck parts of the US early this year. For scientists, this band of strong winds from the Arctic could be a chilling sign of climate change. Civilians and world leaders alike are expected to take steps in staving off the effects of such change.
The Agrarian Revolution which is also referred to as the agricultural revolution signifies an era in Britain’s history where increased productivity in factors of production mainly land labor was recorded. During this period numerous major inventions were made that made farming easier and more productive thus having a significant improvement in the region’s economic well-being.
The black-crowned night heron is a bird of prey that can be found in many watered areas in the world. Mostly eating what is found in waters, this night bird has a funny, but beautiful appearance. Herons are migratory birds and can spend their winters in warmer places, but there are exceptions.