BIGGER efforts are needed to curb emissions of carbon monoxide, atmospheric
chemists warn this week. They say that the pollutant is adding to global warming
by extending the lifetime of greenhouse gases, especially methane. The finding
will add impetus to calls for treaties such as the Kyoto Protocol to include
controls on pollutants that may have indirect climatic effects.
Vehicles, industrial plants and burning vegetation spew out carbon monoxide
and other toxic chemicals. For instance, the amount of carbon monoxide in the
air has tripled since pre-industrial times. Now Oliver Wild of Frontier Research
System for Global Change in Yokohama,…
