The U.S. military wants to continue live-fire training at Pohakuloa, a high-altitude plateau on Hawaii’s Big Island ...

Cutting data climate collection – as the Trump administration is now trying to do – is like breaking a thermometer to avoid ...

For the first time ever, these levels surpassed 430 parts per million (ppm) at the National Oceanic and Atmospheric Administration’s (NOAA) Mauna Loa Observatory in Hawaii, which is considered ...

Atmospheric concentrations of carbon dioxide made history last month by climbing to their highest seasonal peak available in historical records, a team of researchers reported. For the first time ever ...

New data shows that CO2 levels have broken through 430 parts per million, an indication that human-caused global warming will ...

New data shows that CO2 levels have broken through 430 parts per million, an indication that human-caused global warming will continue to warp the environment.

Though it's only 1.6-miles in length, the trail consists of a steep, uneven, and dusty 885-foot climb that takes most people about 90 minutes to complete.

In 1915, the Buffalo Soldiers traveled by steamship to Hawaii Island, where they built a trail through rugged lava fields that connected the summits of Mauna Loa with Kilauea. The all-Black troops ...