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Earth and atmosphere images courtesy of NASA.
Hurricane Fran adapted from Laboratory for Atmospheres, NASA Goddard Space Flight Center

Graphs are referenced and linked to their data sources,
we link to external information sources wherever possible.

Design by Michael Henry. Written content and graphs created and copyrighted by Michael Henry
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Michael Henry is a freelance writer and educator, and author of Ontario's Old-Growth Forests .

I've been studying, writing about, and working actively to address problems related to our environment since the mid-1990's. My goals are to educate about sustainability, and to strive to live sustainably in my own life. I've been active in forest protection working with Ancient Forest Exploration and Research, I work as a straw bale house builder with Camel's Back Construction, and I blog about green homes at

Here are a couple of my published articles:

The art and science of searching for birds' nests (750 kb)

Ancient Cedars (430 kb)

My websites include:

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