On the environmental front there's concern about global warming and high levels of carbon dioxide and trees take in CO2 and store carbon.
Gardening has just sort of grown on me. I find it therapeutic. And I like...
Just as there's garbage that pollutes the Potomac river there is garbage...
I am a particular fan of integrative exercise - that is exercise that occurs in the course of doing some productive activity such as gardening bicycling to work doing home improvement projects and so on.