Sea Ice In The Polar Regions: From NASA
Posted by carrie_roll
Earth is currently in a period of warming. Over the last century, Earth’s average temperature rose about 1.1 F (0.6C). In the last two decades, the rate of our world’s warming accelerated. Scientists predict that the globe will continue to warm over the course of the 21st century. Is this warming trend a reason for concern? After all, our world has witnessed extreme warm periods before, such as during the time of the dinosaurs. Earth has also seen numerous ice ages on roughly 11,000-year cycles for at least the last million years. So, change is perhaps the only constant in Earth’s 4.5-billion-year history.
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It is true that change on this earth is consistent. What we must realize is that we are greatly increasing the rate at which it will change in our future. Yes the Dinosaurs roamed the earth for a very long time during a very hot climate. This may be more of a stable climate for this planet and we may just be a short transitional species but if our time is so limited then lets please make it last as long as we can and not do anything to speed its transition back!!