food chain, definition of

Carbon is the chemical element with symbol C and atomic number 6. As a member of group 14 on the periodic table, it is nonmetallic and tetravalent—making four electrons available to form covalent chemical bonds. There are three naturally occurring isotopes, with 12C and 13C being stable, while 14C is radioactive, decaying with a half-life of about 5730 years. Carbon is one of the few elements known since antiquity. The name "carbon" comes from Latin language carbo, coal.

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• Food toxicity and how it effects you
  Foods we eat can contain health risks by toxic environment contamination where they are grown or processed. This article discusses the various issues around food toxicity and how to minimize health effects.

• Study: Global Warming Reduces the Growth Rate of Plankton
  Anyone who thinks stopping the swimming pool going green in Summer is a battle is mistaken. According to a recent study, warming reduces the growth rate of plankton, and starves animals up the food chain.
• Plankton Pundit video shows exact moment plastic enters the food chain
  Many people are familiar with the plight of birds or whales that consume plastic bags. But you might not be aware how plastic harms some of the world's smallest creatures - which can then have a domino affect on creatures further up the food chain. One...
• Congressmen introduce bill to enact U.S-wide ban on microbeads
  Two congressmen have introduced a bipartisan bill that, if passed, could see a nationwide ban on the use of microbeads in soaps and cosmetics. The tiny balls of exfoliating plastic—commonly found in facial scrubs and the like—are recognized as a highly
• OMA unveils plans to transform former tobacco plant into local food hub in Louisville
  In an ambitious effort to bring food producers and consumers closer together, OMA has developed a masterplan that consists of all stages in the food chain. To that end, the Food Hub design comprises a zigzagging built form framing outdoor public space...