A primary example of this involves the energy currency in ecosystems, which is carbon. The amount and form of carbon present in different ecosystem pools — such as plants, animals, air ...

“Why do we believe that this step will lead to change?” 11 Next, social entrepreneurs must identify the various parts of their ecosystem, including the players (individuals and organizations) and the ...

There are lots of different ecosystems on Earth:including desert ecosystems;forest ecosystems;and tundra ecosystems. But all can be contained within three main categories:terrestrial ecosystems on ...

Using collections, SCUBA, submersibles, and more we ask questions about marine biodiversity, coastal ecosystems, coral reefs, the deep sea, and the impact of climate change. The Smithsonian conducts a ...

There are many other old-growth forests across the continent. Each of these forests has a unique ecology, but all are under ...