At the moment, the jury is still out, but most seem to be saying the Earth is getting warmer and that this is largely down to Man in recent times. Some argue this is just natural variation and we should ignore it. A recent Guardian article makes you wonder.
In the USA, there seems to be a "Canute" attitude: it is all a Chinese conspiracy and it will just go away. I am far from convinced! We ignore these worldwide risks at our peril. Some cities and island states could be inundated and we should get all the facts and act accordingly.