Humans get most of the blame for climate change with little attention paid to the contribution of other natural forces. Now, scientists are shedding light on one potential cause of the cooling trend of the past 45 million years that has everything to do with the chemistry of the world’s oceans.

A new study finds elevated levels of caffeine at several sites in Pacific Ocean waters off the coast of Oregon — though not necessarily where researchers expected. This study is the first to look at caffeine pollution off the Oregon coast.

Could the pumice that surges into the ocean once a volcano erupts in Tonga or elsewhere in the south-west Pacific save the Great Barrier Reef? New research conducted by Queensland University of Technology geologist Dr Scott Bryan indicates that yes, this is not only possible, but could be how the Great Barrier Reef formed in the first place.

The largest oil spill on open water to date and other environmental factors led to the historically high number of dolphin deaths in the Gulf of Mexico, concludes a two-year scientific study.