[mass55th]

Then stop driving your car Professor, don’t fly, and don’t use public transportation systems. Ride your bike or walk to wherever you want to go.

[Army Air Corps]

Ride your bike or walk to wherever you want to go.

Even that will not extract her from the clutches of Carbon! Most bicycle tires are made with some form of a petroleum by product! Then, you still have chain oil and bearing grease derived from eeeeeevil petroleum!