Earth system

earth system

Have you heard this term?

The Earth we live on is a complex system of interacting physical, chemical and biological processes. The Earth system can be understood as a set of interlinking and interacting “spheres”. The atmosphere, hydrosphere, biosphere and geosphere (or lithosphere) form the simplest collection, though some would add the cryosphere as a special element dealing with polar regions and processes, and others would add the anthroposphere emphasizing human dimensions and impact on the planet. [1] This system includes the planet’s many natural cycles (e.g. carbon, water, nitrogen, oxygen, phosphorus, sulphur etc.) that support life. [2] Continue reading

Rising temperatures

phytoplanktonl

Phytoplankton is the staple upon which the entire marine food chain is built.  Phytoplankton is the main source of food for zooplankton, which in turn is the staple for many small fish and other sea creatures, which are then eaten by the bigger fish and large mammals such as seals and whales. A decline of phytoplankton harms the entire food chain, and is contributing mightily to the decline of all life in the ocean. Continue reading