Large amounts of methane – whether as free gas or as solid gas hydrates – can be found in the sea floor along the ocean shores. When the hydrates dissolve or when the gas finds pathways in the sea floor to ascend, the methane can be released into the water and rise to the surface. Once emitted into the atmosphere, …
Study: Gulf Stream slower than ever before
The Gulf Stream is the weakest it’s been in the last 1,000 years. And as glacier melt in the Arctic continues to accelerate, the foot of the Atlantic’s most powerful ocean current keeps pressing harder and harder on the brake pedal. A team of researchers recently analyzed an exhaustive catalog of geologic samples — including ice cores, tree rings and …