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I think it's a damn sight better than Beta ever was, it just needs a few more tweaks here and there.
Flip side, e-paper is downright ideal for a watch. I'm frankly surprised there have been so few e-paper smartwatches announced as of yet.
The fact it's well on its way to beat all previous Kickstarters by a long stretch should be a testament to the fact that yes, people want smartwatches, but not necessarily any sort of smartwatch. For me, Wear devices are automatically out because they have poor battery life and their screen shuts down while inactive on top of being not great to read in the sun. A smartwatch should be usable in all situations a normal watch is, at the very least, and the battery should be long enough that you can make a trip for a few days without worrying about a charger. The Pebble guys seem to have understood this, and it's paying off.
Global warming is largely considered to be caused by something called greenhouse gases. The most prominent one is CO2, which is generated by burning fossil fuels among other things. Earth is by and large heated by the sun's rays going through the atmosphere and hitting the Earth, heating the air and ground. A part of those rays, however, gets bounced off the surface or re-emitted. Those rays can then leave the atmosphere, not heating up the Earth. Greenhouse gases act as a sort of shield around the atmosphere, reflecting those rays back again towards the Earth over and over.
Aerosols act as an additional barrier beyond the greenhouse gases which have the opposite effect: they bounce the sun's ray off the atmosphere before they can even get in, thus reducing the total amount of heat getting in the atmosphere in the first place and thus reducing the impact of greenhouse gases.
TL;DR Human CO2 increases greenhouse effect, but that still requires heat to get in in the first place.