Judith Salas


Some consider this the basic unit in ecology.Ecosystems are not to be confused with biomes because they are smaller than biomes.They can be as big as the Sahara Desert, but as small as a pond.

Carbon Dioxide

From a quarter to half of Earth’s vegetated lands has shown significant greening over the last 35 years largely due to rising levels of atmospheric carbon dioxide, according to a new study published in the journal Nature Climate Change on April 25.