Looking inside ourselves and out at the world
Independent and neutral with regard to all political and religious orientations,® aims to promote awareness of the major democratic principles on which tolerance is based.

Study: Rising Carbon Dioxide Levels Could Make Some Staple Foods Less Nutritious

Some scientists say rising levels of carbon dioxide in the atmosphere may make some of our key foods less nutritious. A team of Harvard University researchers, working in the United States, Australia and Japan, made their assessment based on experiments that simulated conditions expected by the year 2050.They found that some staple crops, including rice, wheat, corn, and field peas had significantly lower amounts of two vital nutrients -- iron and zinc.Shortages of these essential minerals...

Read complete article
© Voice of America -

Follow us on ...
Facebook Twitter