Feb 12th, 2008 · In the vineyards of the Penedes Valley, makers of the sparkling wine known as "cava" are taking steps to address the effects of climate change on their product. They are adding nutrients to the soil, using satellites to monitor vineyard conditions and trying new grape varieties.
Dec 13th, 2006 · Trash might be the secret to making San Francisco vineyards thrive. Each day, recycling trucks around the city collect tons of kitchen scraps from hotels and restaurants. The material is turned into nutrient-rich soil additive that is in high demand at area vineyards.
Nov 18th, 2006 · That broccoli stalk in your hand may not be as nutritious as the one your grandmother ate growing up. Recent studies have shown that vegetables grown today contain fewer nutrients than vegetables grown in 1950.
Jul 12th, 2005 · Robert Siegel talks with Bill Peterson, an oceanographer with the National Oceanic and Atmospheric Administration's Northwest Fisheries Science Center, about the low levels of plankton in the waters off the coast of northern California, Oregon and Washington. Peterson says the winds that normally bring cold, nutrient-rich waters to the shore have not materialized this year, puzzling oceanographers.
Mar 18th, 2005 · NPR's Jon Hamilton reports on new scientific findings that suggest food cravings are the result of internal biological food monitors. Recent research in animals shows that this system sets off an alarm when certain key nutrients are missing from a meal.