NEWS
Greenhouse Gas Sets Record High
Fri May 10, 2013 02:47 PM CDT

WASHINGTON (AP) -- Worldwide levels of the chief greenhouse gas that causes global warming have hit a milestone, reaching an amount never before encountered by humans, federal scientists said Friday.

Carbon dioxide was measured at 400 parts per million at the oldest monitoring station in Hawaii which sets the global benchmark. The last time the worldwide carbon level was probably that high was about 2 million years ago, said Pieter Tans of the National Oceanic and Atmospheric Administration.

That was during the Pleistocene Era. "It was much warmer than it is today," Tans said. "There were forests in Greenland. Sea ...

Quick View
Related News Stories
Northern Crops May Race First Frost
DTN Ag Weather Brief
Rain in Southeast, Midwest Wednesday
Market Impact Weather
Daily Export Grain News
NWS River Stages
Dry Monday for Most of Canada, US Areas
Some Corn Vulnerable To Freeze
More Rain in Midwest Saturday
Market Impact Weather