In recent weeks we have heard the news reports and announcements from the United Nations regarding the threats of global climate change and the steps that governments, scientists, and humans, in general, should take to reduce our carbon footprint. Most world leaders concede that climate change is one of the major challenges of our time and this challenge adds considerable stress to our societies and to the environment.One set of terms that’s been mentioned throughout the debates and discussions about climate change is “carbon footprint” and going “carbon negative.” Let’s take a closer look at what this means and where it is evident on our precious planet. Greenhouse Gasses Occur Naturally According to the scientific experts at the U.N., greenhouse gases occur naturally and are essential to the survival of humans and millions of other living things, by keeping some of the sun’s warmth from reflecting back into space, thus making Earth inhabitable. Greenhouse gases in the a...