How would the earths climate would change over the next 100 years?

Question

How could the climate change over the years if humans did nothing to limit the levels of their greenhouse gas emissions

Answer 1

probably the same as the last 50 million years, it will go up and down, ice ages and dust bowls and deserts....  how did we cause the Ice Age and Global Warming 50,000 years ago?

Answer 2

Nobody knows. Change in climate is completely natural. Man has no part in it.