Scott Stoll logo world traveler. A bicycle wheel and the globe symbolizes Scott's journey around the world on a bicycle.

Environmental Awareness

Stories and commentaries about environmental awareness and ideas for how to make the world a better place.

A leaf of basil back lit by the sun and full of colorful sparkles.
Ideas

How to measure atmospheric oxygen depletion

This article is more for scientists and field researchers. A practical step forward in determining global oxygen depletion rates. A conclusion to decades of research.

A man wearing a gas mask watches television in a smoggy dystopian world.
Ideas

How long before the Earth runs out of oxygen?

Have you ever wondered how much breathable air is on Earth? And if we will ever run out? Our atmosphere is paper-thin relative to a basketball, and we use its oxygen to power internal combustion engines, like planes, trains and automobiles, and there is a 60% chance that the electricity you are using to read this post came from fossil fuels combined with oxygen.

How much oxygen does a tree produce
Ideas

How much oxygen do plants produce?

I calculate how much oxygen a tree breathes and how much excess oxygen a tree produces in three different ways. Spoiler alert: It’s not a lot.

A dramatic picture of water droplets (clouds). A metaphor for the mass of oxygen on Earth.
Ideas

How much oxygen is in the atmosphere?

I demonstrate how to calculate the mass of oxygen in the atmosphere. And I talk about ten reasons why the accepted values may be wrong.

PWM-teacher-student-releasing-monarch
Books

Help Save the Butterflies

And make the world a more beautiful place Monarch Resources The #1 site for everything about monarch butterflies: monarchwatch.org including how to track the butterflies. How to plant a butterfly garden or waystation. How to fix a butterfly’s broken wings Monarch Migration Google Earth Tour Educator resources by grade. Cincinnati Resources Cincinnati Butterfly Show Cincinnati

Street retrofit optimized for humans
Ideas

Retrofit street design optimized for humans not cars

Does anyone describe the philosophy of our roads in one word? Is it efficiency? Is it cost? It appears to me there is no guiding principal. So why not build stuff optimized for what it means to be human? Not only is this street redesign optimized for health and happiness, but it also 2–4 times as safe and energy efficient. These ideas have been rattling around in my head for years, and I’ve finally decided to give them life in this quick sketch.

Terraced garden peppers and tomatoes and pollinating plants
Ideas

Grow Food NOT Grass

What better way to have a backyard adventure than to grow a garden? We recommend you start with a potted plant like basil.

The world population growth chart of homo infographic sapiens infographic. At the rate we are going the line will be off the chart in a few decades.
Ideas

Human Population Growth Chart

This graph illustrates the exponential growth of the human race and the consumption of non-renewable resources. The question isn’t if the population will stop growing/consuming, but when?

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