<span>Preserving the plants, animals and natural communities through management of the lands and waters that we need to survive. Recycling one aluminum can save enough electricity to run a television for 3 hours. In addition, we are not mining the Earth, destroying watershed or adding silt and toxic wastes to rivers by doing so. Recycling newspaper saves trees and the environment in a number of ways, including providing fish and bird habitats, cleaning CO2 and other greenhouse gases from the atmosphere, and keeping watersheds intact.</span>
In a rooted phylogenetic tree, each node ... phylogenetic tree that explicitly represents evolutionary time through its branch spans. A spindle diagram (often called