YKS 2023 · Soru 77

(I) The phrase ‘global warming’ has not been around long, but climate change, as it is also known, is nothing new. (II) In fact, it has been a constant throughout history. (III) Scientists are certain that this change has been caused by emissions produced by human activities. (IV) Earth’s climate today is very different from what it was 2 million years ago, let alone 10,000 years ago. (V) Since the beginnings of the most primitive life forms, this planet has seen many different climates, from the hot, dry Jurassic period of the dinosaurs to the bleak, frozen landscapes of the ice ages.