I would say that this is true, although there is no absolute answer to this question and one could also find arguments against it.
But, we could set the beginning of global warming to 1940s -that's when the average temperatures started rising. Also 1940s is when the <span> International Union for the Conservation of Nature and Natural Resources was founded - so it's around the same time!</span>
A. The Universe is 4.6 billion years old this explains big bang theory the best because the Big Bang Also took place 4.6 billion years ago which proves that Universe is formed beacause of Big Bang.