Geochemical cycle As all closed systems, it follows the law of conservation of mass which states that matter cannot be created nor destroyed, thus, the matter, although transformed and migrated, remains the same as when the Earth was formed. The Earth system contains seven different reservoirs that are separated into surface reservoirs, which include atmosphere, hydrosphere, biosphere, pedosphere, and lithosphere and the isolated reservoirs that include deep Earth and outer space. Geochemical cycles are concerned with the interactions between deep earth which consists of Earth´s mantle and core, and the lithosphere which consists of the Earth´s crust. Flux in geochemical cycles is
Costing the Earth Costing the Earth Costing the Earth is a programme on BBC Radio 4 about the environment. According to the programme´s website, it looks at man's effect on the environment and how the environment reacts, questioning accepted truths, challenging those in charge and reporting on progress towards improving the world. The programme reports on all matters relating to the environment. The most recent series has covered topics as diverse as the impact of having a baby on the environment and Germany's energy revolution. Notably the series worked with BBC2's Newsnight programme and the BBC World Channel's Our World to produce a