Ancient plankton help researchers predict near-future climate

The Mauna Loa Observatory in Hawai'i recently recorded the highest concentration of carbon dioxide, or CO2, levels in human history. In fact, the last time CO2 levels surpassed 400 parts per million was during the Pliocene, ...

Another El Niño on the horizon?

The jury is still out as to whether climate change will lead to stronger El Niño events, but while representatives from around 200 countries at the COP24 conference are working to breathe life into the 2105 Paris Agreement, ...

China to appeal WTO ruling over rare earth exports

China, under pressure to relax controls over rare earths, said Wednesday it would appeal against a World Trade Organisation ruling that it illegally restricted exports of other key raw materials.

The secrets of the best rainbows on Earth

Rainbows are some of the most spectacular optical phenomena in the natural world and Hawai'i has an amazing abundance of them. In a new publication, an atmospheric scientist at the University of Hawai'i at Mānoa makes an ...

Could leftover heat from last El Nino fuel a new one?

Some climate models are suggesting that El Niño may return later this year, but for now, the Pacific Ocean lingers in a neutral "La Nada" state, according to climatologist Bill Patzert of NASA's Jet Propulsion Laboratory, ...

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