These 10 Corporations Control Almost Everything You Buy: ". most products we buy are controlled by just a few companies. It's called "The Illusion of Choice. Despite a wide array of brands to choose from, it all comes back to the big guys.
Phylogenetic Tree of Life -The OpenLearn site used to offer this phylogenetic chart in the shape of a tree as a free poster, but no more. They do have an online version of this same illustration, expandable and with links and an explanatory guide.
Global Carbon Footprint by country. This information may be about 10 years old. Plus, a per capita carbon footprint is a more accurate picture. For example China has the highest total carbon emissions, but the USA has a much higher per capita rate.