NOAA

A revised biological opinion determined that the endangered species could go extinct without new precautionary measures.

The strategy is part of larger interagency effort to promote recovery of the North Atlantic right whale while responsibly developing offshore wind.

The memorandum of understanding aims to combine the efforts and expertise of both agencies.

Carbon dioxide levels are now higher than at any time in the past 3.6 million years.

A preliminary estimate from the US National Oceanic and Atmospheric Administration finds that levels of atmospheric methane, a potent heat-trapping gas, have hit an all-time high.

Natural-gas production in the United States has increased 46% since 2006, but there has been no significant increase of total US methane emissions and only a modest increase from oil and gas activity, according to a new NOAA study.