Agelbert NOTE: This Sunday (June 18, 2017) I will begin publishing a three part article with Part 1 (it’s more of a mini-e-book, but I assure you that I summarized this complex and urgent subject as best I could) relating to the existential threat climate change poses to our civilization due to predicted increasingly turbulent wave activity in the oceans.
I am posting the video below as an introduction to the subject of Climate Change impacts on the biosphere in general and human civilization in particular.
My article will discuss some of the specific effects of climate change that we need to take action on in order to prevent a collapse of our civilization. The video in this post covers a lot of ground that will help the viewer to begin to objectively assess the importance and severity of the present Sixth Mass Extinction, its causes, and what governments can do to lessen the damage.
In the following video, you can learn from eminent scientists, economists and scholars about the limits of the stability of biological systems, negative feedbacks, positive feedbacks, population trends, ocean acidification and the very important issue of increasing anoxic (oxygen starved) conditions in the oceans directly caused by the continued burning of fossil fuels.
Biological Extinction | Discussion #11
Casina Pio IV
Published on Mar 2, 2017
How to Save the Natural World on Which We Depend
PAS-PASS Workshop
Casina Pio IV, 27 February-1 March 2017
On our 4.54 billion year old planet, life is perhaps as much as 3.7 billion years old, photosynthesis and multi-cellularity dozens of times independently around 3.0 billion years old, and the emergence of plants, animals, and fungi onto land, by at least the Ordovician period, perhaps 480 million years ago, forests appearing around 370 million years ago, and the origin of modern groups such as mammals, birds, reptiles, and land plants subsequently. The geological record shows that there have been five major extinction-events in the past, the first of them about 542 million years ago, and suggests that 99% of the species that ever lived (5 billion of them?) have become extinct. The last major extinction event occurred about 66 million years ago, at the end of the Cretaceous Period, and, in general, the number of species on earth and the complexity of their communities has increased steadily until near the present.