Engadget: Earth just took a tentative step toward a new, comprehensive plan for improving the environment. Representatives from 195 countries have approved a draft UN climate change agreement that will ask all participants to lower their carbon dioxide emissions. There are still many, many details left to resolve ahead of a final deal (ideally signed next week), but the ultimate goal is to have countries reduce their greenhouse gas levels by 2050, and to eliminate emissions completely between 2060 and 2080....