I love it when they talk about 'Humanity' having billions of years to plan ahead... haha! If anything is still alive on this planet in billions of years, it certainly won't be Humans or anything remotely like us. Look at the difference in life now to billions of years ago... Humans certainly do not need to be concerned for their survival billions of years from now, for Humans as we understand ourselves will have evolved into something probably quite unrecognizable if life in general survives on this planet that long. The next few centuries will be the make or break for Humanity per se I am sure.
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