A single sensor deployed on a light-rail public train could provide as much information about the city's carbon dioxide emissions as 30 stationary monitoring stations, at a fraction of the cost.
The February 2021 outlook favors a colder- and wetter-than-average month for much of the northern and central United States.
New website features more interactive content and easy-to-understand graphics describing current and predicted drought conditions.
Despite the influence of La Niña, December 2020 was the eighth-hottest December on record helping 2020 become the second-hottest year on record.
Nationwide warmth was accompanied by extreme precipitation differences: dry conditions in the West and wet conditions in much of the East.
January 2021 is favored to be wetter and warmer than average for much of the country.
Por una gran mayoría, los científicos del clima están de acuerdo en que la temperatura global promedio hoy en día es más cálida que en la época preindustrial, y que la actividad humana es el principal factor contribuyente.
November 2020 was the second-warmest November on record, which increases 2020's chance of becoming the warmest year on record to over 50%.
The contiguous United States was warmer than average virtually coast to coast in November 2020, and much of the country was also drier than average.
Unusually big blooms of tiny ocean plants occurred in the Arctic this past summer, linked to early summer retreat of sea ice.