An observatory high on Hawaii's Mauna Loa volcano that measures carbon dioxide in the atmosphere has reported its highest ever seasonal peak concentration of the greenhouse gas. For the first time ...

The Mauna Loa laboratory in Hawaii has measured atmospheric carbon dioxide, which — along with other planet-warming pollution — has led directly to climate change, driving sea level rise ...

Closing Mauna Loa and three other U.S. sites that track greenhouse gases would disrupt a decades-long record of the planet’s changing atmosphere. By Rebecca Dzombak More than 11,100 feet above ...

COURTESY FDA The 0.6-ounce bag of Mauna Loa Dark Chocolate Covered Macadamias, with UPC code 0 72992 05464 4, lot numbers K5069C1 or K5069C2, and a best by date of October 2026.

Mauna Loa has now been collecting data for more than 65 years. The resulting Keeling curve graph is the most iconic demonstration of how human activities are collectively affecting the planet.

Mauna Loa dark chocolate covered macadamias were recalled due to the "possible presence of undeclared almonds and cashews." The macadamias were sold in 16 states, including Florida.