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Author Laura Vanderkam reveals how highly successful people put their pre-breakfast hours to use and explains how you can be more like them. The day may have 24 hours of equivalent length but author Laura Vanderkam says not every hour is created equal

Dear EarthTalk : Is it true that gas furnaces cost less to run and burn cleaner than their oil counterparts? If I make the switch, how long should I expect it to take for me to pay back my initial investment? And are there any greener options I should consider?

There are 1.5 million extra hybrids on the road already, we just haven't converted them yet. It doesn't make sense to tear down our city infrastructures to make way for new LEED-certified buildings; instead, property owners often opt to retrofit, making a building as efficient as possible within its existing shape. The same may soon be true for vehicle owners

The knock on LED bulbs has always been their incredibly high price point. But the new Definity bulb has a price so low, it may get people to make the switch. They may cast a warmer glow than CFLs, but LED bulbs are still a long way from becoming energy-efficient incandescent bulb replacements.

Many have threatened to leave Netflix. But do they have anywhere to go? Supposed "Netflix killers" in the space are going after its customers--even if they offer very different services, and in certain instances, more expensive prices.

Dear John: My partner and I are architects, which means our business relies on our professional know-how and expertise. It's not a business whereby we sell widgets and that can implement systems and procedures which anyone can follow