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The Food and Agriculture Industries: The Everglades: Resources and Regulations
02:25

The Food and Agriculture Industries: The Everglades: Resources and Regulations

At the South Florida Water Management District, engineers and scientists try to balance the needs of development, agriculture and urban areas with water supply, flood control and conservation. One ongoing source of concern is the presence of excess...

The Food and Agriculture Industries: Sugar Production, Fertilizer and Phosphate Levels
01:49

The Food and Agriculture Industries: Sugar Production, Fertilizer and Phosphate Levels

About one quarter of U.S. sugar is produced in Florida. Intensive agricultural production in this environmentally sensitive region requires careful waste management. For example, one of the main issues threatening the Everglades is the amount of p...

Living Together: Estuaries: Productivity and Vulnerability
03:43

Living Together: Estuaries: Productivity and Vulnerability

Estuaries and wetlands are among the most productive areas anywhere, literally teeming with life. But these environments are often threatened by nutrient discharge from agricultural or farm land, as well as the building of homes or other forms of de...

Living Together: Threats to Coral Reefs
01:31

Living Together: Threats to Coral Reefs

Symbiosis within a reef community can be threatened by a number of factors. These include severe storms, nutrient discharge from farming and agriculture, and a process known as bleaching, which may be related to global warming.

Food for Thought: Conditions Required for Photosynthesis
02:09

Food for Thought: Conditions Required for Photosynthesis

The first step in the primary production process is photosynthesis. It can only take place if certain critical conditions are met, including the presence of light and chemical nutrients. Temperature also plays a role, with reactions proceeding more ...

Going with the Flow: Ocean Currents: Cause and Effect
02:45

Going with the Flow: Ocean Currents: Cause and Effect

In addition to their role in El Nino and other weather events, ocean currents are also important for delivering nutrients, especially along coastlines, and for facilitating the movement of planktonic organisms. Surface currents are influenced by sev...

Food for Thought: Dietary Guidelines: My Pyramid
03:52

Food for Thought: Dietary Guidelines: My Pyramid

Many countries have established dietary guidelines to help people determine how much of any one nutrient is enough. Because people are different, their nutritional needs are also different; there is no one size fits all. That is why in 2005, the Uni...

Food for Thought: Carbohydrates, Proteins, at Fats: Nutrients for Life
05:12

Food for Thought: Carbohydrates, Proteins, at Fats: Nutrients for Life

Our bodies need the nutrients found in foods to function--to power muscular movements and cell activities, repair tissues, and maintain body temperature. To carry out these metabolic activities, cells need the energy stored in three nutrients: carbo...

Food for Thought: Information Provided by Food Labels
04:22

Food for Thought: Information Provided by Food Labels

The labels on processed foods often list the calories and nutrients contained in each single serving of the product. Grams of fat, what types of fat, fiber content, sodium, all are factors that are important for people to note. With all this informa...

Dirty Water: Eutrophication
01:31

Dirty Water: Eutrophication

Among the greatest threats to estuaries and other closed bodies of water is eutrophication. This is the process by which abnormally high levels of nutrients are introduced into the environment. This can create an imbalance in the local ecosystem, wh...