Nature World: Global warming is often a term that scares some people, but a new study is giving scientists a better conceptual understanding of its affect on the planet, possibly putting minds at ease. As humans pump carbon dioxide into the air, adding to the greenhouse gas effect, over time it acts as the Earth's own version of tanning oil, rather than covering it in a warm blanket like previous research suggested.
Published in the journal Proceedings of the National Academy of Sciences, the study may change...