It’s Not Easy Being a Green Recharger - Digits - WSJ

The manual says that an hour of sunlight should suffice to start charging. But after speaking with the company, I was told that the battery needed 24 hours of sunlight, equating to a couple of days near a windowsill, for the internal battery to be fully charged.
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Indeed, powering up the device with wind power proved to be difficult. Even while attached to a bike, I had to pedal fast against the wind before the HYmini indicated “charging” (a small green light near the fan). If it was hard to get wind by doing that, it is very unlikely that just putting the device out on a windy day would do anything.
Putting out the solar panel for about five hours, I got a 25% charge for a BlackBerry.

More ice fraud

The year “2013 is starting to look as though it is a lot more reasonable as a prediction. But each year we’ve been wrong -- each year we’re finding that it’s a little bit faster than expected,” he told Reuters.

If global ice is melting so fast, why are current levels "normal"?