The real reason behind this year's warmer winter weather. (It’s not just global warming.)

It’s been a hot year — the hottest year on record, according to climate experts.

I know I’m not the only one thinking this doesn't feel like normal winter weather.

I spent Christmas Day this year wearing shorts. Shorts! And when I was packing for the holidays, I didn’t even bother throwing a jacket into my suitcase because the forecast showed a full week of balmy days with highs in the 80s.

The records show it, too: It's been a hot winter.

In fact, it’s been a hot year — the hottest year on record, according to climate experts. That can be a little scary for those of us following the quick progress of climate change.

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