50 Simple Things Kids Can Do to Save the Earth by EarthWorks Group, Sophie Javna

By EarthWorks Group, Sophie Javna

As a child, I regularly learn this publication, and it encouraged me to make alterations and examine approach to be extra environmentally pleasant. i lately acquired this booklet remembering how impactful it was once to me as a child.

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Parts of the South were rather densely populated by Native Americans, and this was also the first region of North America explored by Europeans. Contrary to common assumptions and claims, however, it has yet to be shown that humans have created grasslands anywhere on any substantial scale. Many southern grasslands show irrefutable evidence of existence long before humans arrived in North America. The evidence of antiquity includes pre-Pleistocene fossils of grassland-associated plants and animals, as well as current biogeographic patterns, such as high endemism of grassland species in the South and disjunctions of grassland taxa between the southeastern United States and the Great Plains and the southwestern United States and Mexico.

Instead, the ecological structure, function, and composition of a grassland are shaped by multiple factors operating together. Positive and negative feedback loops and mutual causality (reciprocal relationships between factors) are fundamental to the maintenance and resilience of ecosystems. 1. A general conceptual model for the origin and maintenance of southern grasslands. For particular cases, the influence of the factors identified here would vary widely. See text for explanation. 1, the general model suggests that (1) Climate is important.

John Muir felt this freedom, too, in the pine savannas of Georgia during his thousand-mile walk to the Gulf of Mexico in 1867: “The pines wide apart; the sunny spaces between full of beautiful abounding grasses, liatris, long wand-like solidago…. ” I am persuaded by the evidence that early humans evolved in the African savanna, and that we still seek—or with our lawns and golf courses, attempt to create a semblance of—savanna environments today in order to satisfy an atavistic craving for openness, visibility against enemies, good hunting, and fewer bugs and diseases.

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