CO2 emissions are said to cause climate change, climate change could be a bad, even catastrophic, thing thus we need to think about the way in which we provide our heating, lighting etc.

FORBES: Wind Power's Just Too Expensive To Actually Use

Refiners churn out the same end products (gasoline, heating oil, distillates, etc.) using either feedstock, but not all refiners have the equipment to process heavy sour crude.

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The religious arguments, the right to life arguments, the compliance battles, etc. are just heating up.

FORBES: Will Obamacare Make Health Care Cheaper?

The researchers found that for residential users heating water (showers, clothes washers, cooking, hot tubs, etc) accounted for 75% of water-related energy use.

FORBES: To Conserve Energy - Conserve Water