The National Oceanic and Atmospheric Administration (NOAA) released its annual Arctic report card on December 17, which analyzes climatic trends in the region.

United Nations (UN) climate negotiations in Lima closed on December 15 with an agreement that could lead to a global climate accord in Paris next year.

The Senate Environment and Public Works Committee held a hearing on December 2 to assess a bipartisan climate bill that would lower emissions of short-lived climate pollutants.

The Intergovernmental Panel on Climate Change (IPCC) released a report on November 3 that synthesizes its published findings on climate change over the last 13 months.

On November 12, President Obama and Chinese President Xi Jinping signed a climate change agreement, pledging to cut greenhouse gas emissions and collaborate in an international effort to combat global temperature rise.

On October 8, the White House unveiled a new agenda to protect federal lands against the impacts of changing climate by conserving and restoring natural resources and carbon sinks.