Global warming does seem to be happening. However, blaming humans exclusively ignores the fact that world’s climate is constantly undergoing change as a natural process. Did humans cause previous warming? No. Did they cause previous cooling? No. We MAY be affecting the climate at this time but it has not been proven that the current warming is not natural (if warming is not natural, the earth would still be covered in ice). Further, if it is natural, there probably is very little that we can do to stop it.
Having said all that, I do think we need to do everything possible to explore energy that does not pollute the earth. We also need to get rid of our dependence on oil because of political reasons.
