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Global warming and the tech industry's environmental role were hot topics this week as scientists convened at a meeting of the American Geophysical Union to discuss the latest information about the state of Earth, planets and space.

After a few weeks of not speaking to one another, Microsoft's new operating system and its Zune digital-music player are getting along fine.

Although Apple still dominates music player sales with its iPod, the Zune is starting to make some inroads, particularly against the video iPod, according to one market research firm.

Although Microsoft's Zune captured a decent slice of the hard-drive-based audio player market at large retail stores, it failed to crack into the top 10 list of models in overall sales, according to market researcher Current Analysis.

LAS VEGAS--Ford Motor and Microsoft on Saturday announced plans for a new in-car entertainment system that will start showing up on new cars later this year.