want to understand the basics of change? Then reach for the Workin' Man's Friend: linear trends. In the figure above, computing the linear trend—technically, determining the slope of the red dashed li ...

map shows the actual sea surface temperatures across the North Atlantic on June 15, 2024. Areas in white and orange show where sea surface temperatures are above 80 degrees Fahrenheit (26 degrees Cels ...

coral bleaching alert in February 2015 in American Samoa to document the impacts of bleaching. In June, NOAA's Coral Reef Watch reported that "extensive and severe bleaching" in the British Indian Oce ...

it is free to drift away. Historically, that has meant that Antarctic sea ice nearly disappears in the summer. Big decreases in summertime sea ice, then, are more unusual in the Arctic than the Antarc ...

footnote 1). Historically, drought and reduced groundwater storage occurred almost hand- in-hand in the Central Valley. When drought conditions ended, groundwater storage would normally rebound - this ...

however, the Arctic has warmed, and larger areas of the Arctic Ocean are now free of sea ice in the summer, which means phytoplankton are getting more sunlight. The result is that phytoplankton produc ...

on the holiday period to make most of their money, and it's not just people directly involved in the ski industry. Restaurants, bars, and other businesses rely on that busy season, too." Climbing snow ...

winter temperatures, and ice thickness. "Break-up of the Tanana River at Nenana takes place in two basically two different ways," Thoman says. "One, referred to in Alaska as a 'mush-out,' occurs when ...

mummies? Much like everything else in the world, the Chinchorro mummies are covered in microbes. In a paper recently published in the Journal of Cultural Heritage, scientists from Harvard University a ...

contributed to one of the two warmest January-June periods on record. The contrast between warmth in Canada and cool conditions across the North Atlantic is the influence of a strongly negative phase ...