Vol. 4 Num 189 Fri. December 05, 2003       Advertise with The Daily Star -- Advertising on the Website    Advertising in the Printed E dition-- Home  News Today's Index Front Page Business Political Sports Point-counterpoint Metropolitan National International Culture General Views Editorial Letters to Editor Write to Editor Sections Environment World Others About Us Contact Advertisement Supplements Archives Environment   Zeroing in on climate change Just last October, when the US senate debated a bill that would have curbed emissions of carbon dioxide, the most critical greenhouse gas, Republican Sen.     Advertisement