redvip2000:
Global warming is obviously real, but there really is no evidence that is caused by humans.
Humans have increased the Carbon Dioxide levels by over 30% since 1960. That has an inevitable impact on our warmth. It's the greenhouse gases.
I think sometimes we fail to realize that the earth is not static - it too evolves, and goes through difference cyclical stages. There is evidence to suggest that the planet goes though colder and warmer periods, and it could well be that we are going through a warmer period.
It is irrelevant that the Earth goes through colder or warmer periods naturally. We have increased the CO2 levels and that is what's having the impact. There is nothing in nature that's causing the increase.
When the ice ages ended we went from a cold period to a warm period which should have stayed at that but now we're going from a warm period into a hot period due to fossil fuel burning.