1936 North American cold wave

src: i.ytimg.com The 1936 North American cold wave ranks among the most intense cold waves in the recorded history of North America. The Mi...

Effects of global warming on humans

src: pixfeeds.com Climate change has brought about possibly permanent alterations to Earth's geological, biological and ecological syste...

Global warming controversy

src: thumbs.dreamstime.com The global warming controversy concerns the public debate over whether global warming is occurring, how much has...