Human interference in biogeochemical cycles

All forms of life on Earth are involved in and dependent on the on the interaction among the atmosphere, oceans and the crusts through a variety of biogeochemical cycles. A biogeochemical cycle is defined as the interactions among the organic (bio-) and inorganic (geo-) worlds, and focuses on the chemistry (chemical-), and movement (cycles) of chemical elements and compounds. In its simplest form, cycling describes the movement of elements through various media and their return to their original state. The biogeochemical cycles forms the basis of the biosphere where living organisms can and only survive in. These cycles include the circulation of elements and nutrients upon which life and the earth’s climate depend. Some of the more significant biogeochemical cycles are briefly discussed below.

Firstly, carbon is one of the most common elements on Earth and it is the basis of all living organisms. The biogeochemical carbon cycle described the fluxes of carbon in its many forms among the biosphere, atmosphere, oceans, and geosphere. There are four main reservoirs of stored carbon in the carbon cycle; namely (1) as

According to Buildings Table of the National Climate Change Process. 1999. Residential Sector Climate Change Foundation Paper. May 1999, access to transportation and/or essential services was found to be the home activity to have the second largest impact on climate change. Transport is responsible for emission of a large portion of domestic greenhouse gases in many developed countries. Hence, individuals should make an effort to drive less or taking alternative transportation such public transport, cycling, walking to reduce the amount of greenhouse gases emissions. Many cars have started to convert to use of more environmental-friendly fuel such as unleaded petrol, and this should continue to be popularized to more car owners.

Over the past century, the world has witnessed rapid population growth, dramatic technological advancement and the rise of industrialization. These events have resulted in activities that have altered the natural processes and disrupted the balances of the various biogeochemical cycles.

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