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Chemical SOS not just for farm, lab plants
The chemical screams for help that scientists have detected from agricultural plants under attack by pests in lab settings have now been heard in the wild.
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In the March 17 issue, there was an article about arsenic pollution disrupting hormone activity (“Arsenic pollution disrupts hormones”) and another article concerned with satellite verification of greenhouse-gas effects from increased levels of carbon dioxide and methane (“Satellites verify greenhouse-gas effects”). Ironically, that same week, President Bush recommended that more stringent arsenic standards be set […]
- Earth
Satellites verify greenhouse-gas effects
Comparisons of data obtained from instruments that orbited Earth more than 25 years apart provide direct evidence that the planet's greenhouse effect increased significantly between 1970 and 1997.
