Georgianne Nienaber: The world faces the difficult challenge of understanding exactly what has happened to the ecosystem of the Gulf of Mexico in the uncertainty of the aftermath of the April 20 explosion of the BP Macondo wellhead.
Carole Bartolotto: The problem with concluding that GMOs are safe is that the argument for their safety rests solely on animal studies. These studies are offered as evidence that the debate over GMOs is over. Nothing could be further from the truth.
Margaret Flowers, M.D.: The refinery and export terminal may depress tourism, an important local industry. And the increase in cancer, disease and early deaths from the toxins released by the plant will place a financial burden on local families.