I love going out and breathing the fresh cold air in winter
That fresh cold air in Phoenix averages 56 degrees! 
Yeah it is hard to get use to the extreme temperature change sometimes though because of being so arid here
Climate change is one of the more pressing matters of our time.
Yes and we need to do more to slow it down and it starts with taking it serious. Changing our bad habits of pollution
Even other negative things can result, like early childhood obesity can be traced to exposure to air pollution!
That is quite strange correlation. Well anyway I love the cold weather because I cool down when I get hot. So if I get a little cold I can put a jacket on then
How many jackets do you own for the Winter?
I am not sure. I have a couple lightweight jackets, wool jacket, 4 hoodies
Wool has been used for protection for centuries in regard to weather!