All ecosystems are affected by and interact with their environment. At the global scale, the Earth's environment is characterized by the global energy balance, the balance of all heating and cooling terms that shape the climatic variations in space and time, especially with respect to surface temperature, precipitation, and light. From an energy balance viewpoint, the interrelationships between ecosystems and their environment are threefold: (1) ecosystems utilize energy sources from their environment, and thereby are a part - though small - of the energy balance; (2) ecosystem processes are affected by environmental conditions that are directly or indirectly connected to the energy balance (e.g., precipitation affects the levels of water limitation of terrestrial productivity); and (3) the form and functioning of ecosystems affect energy balance terms. This article reviews the basics of the global energy balance, how it is reflected in the seasonal and geographic distribution of mean climatic properties, and how it interacts with life through ecosystem functioning.

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10 Ways To Fight Off Cancer

10 Ways To Fight Off Cancer

Learning About 10 Ways Fight Off Cancer Can Have Amazing Benefits For Your Life The Best Tips On How To Keep This Killer At Bay Discovering that you or a loved one has cancer can be utterly terrifying. All the same, once you comprehend the causes of cancer and learn how to reverse those causes, you or your loved one may have more than a fighting chance of beating out cancer.

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