When WFH began, I stopped taking the subway into the city every day and instead spent a lot more time driving around the suburbs. My car's mileage and my ecological footprint went way up. You can't just make up a statement and have it be true.
Did the people collating stats forget to take into account your hobbies? I feel like there was nothing forcing you to drive aimlessly around the burbs more than you would have normally outside of work, shopping and errands taking the same time as normal.
When I had to go back to the office, I started burning cooking oil and truck tires in my backyard every weekend, so my ecological footprint increased significantly