Yeah but here are the facts:
1. CO2 levels have in fact been rising year over year for some decades.
2. That does in fact increase temperature long term. That has been measured.
3. However, the effects are complex and there are interrelationships. For instance, ocean warming evaporates more water, which makes more clouds, which deflects sunlight to some extent. Therefore the EXACT outcomes are difficult to predict.
4. The models keep getting better as more data is measured. Our best predictions right now are that the world average temperature will rise between 3.5 to 5.2 decrees Centigrade by 2100.
5. The Paris accord, which President Trump wisely scrapped, would only have changed this outcome by about 0.2 degrees. It was not worth its cost to the US.
6. 75% of all CO2 now in the atmosphere will stay there for 500 years. If we stopped all fossil fuel burning right now, the earth would continue to warm.
7. The oceans will rise. Period. How much depends on many factors difficult to predict.
8. The warming will not stop in 2100.
Those are the facts. All else is supposition and politics, on both sides.
