The global consumption of plastic bags is in the 500 billion to 1 trillion range. Many of these end up in landfills or in nature. The solution according to bringyourown.org and reusablebags.com: BYOB — Bring Your Own Bag.
For a square-wheeled bicycle, click here.
Supervolcano in Washington state. This one erupted 3.7 million years ago, and produced 137 km3 of ash, compared to about 1 km3 produced by Mt. St. Helens in 1980. My M.S. research in geology dealt with wind-blown volcanic layers in eastern Washington, so this is near and dear to my heart.
Grace and Peace