Long answer

How the Canadian Healthcare System is reducing it's waste

By producing large volumes of solid and toxic waste

Minimizing greenhouse gas emissions and managing climate change risk

I minimize my footprint at home and at work 

I minimize my efforts to improve the world

I talk about the change I want in the world and what I am going to to do about it 

I don't conduct myself in any of the sort 

I am engaged politically and push for better climate policy 

I didn't understand the question - It was not clear