Revise GCSE Physics

Question:Do scientists agree that Global Warming is actually happening?

No, scientists do not agree whether or not there has actually been an increase in the Global temperature or about how much it has increased.

But they do agree that the amount of Carbon Dioxide has risen steadily and the Greenhouse effect is a well understood and completely accepted mechanism of atmospheric heating.

Most scientists expect Global warming to be happening since the amount the greenhouse effect is clearly being accelerated