A cold blob of water in the North Atlantic is an ominous sign that a system of currents that regulate the planet's climate could be weakening.

The paleo-tectonic maps of retired geologist Ronald Blakey ... including the opening of the North Atlantic Ocean, and he allowed himself to speculate, albeit briefly, about where Earth's ...

Figure 1: Maps of the modern surface currents of the North Atlantic and Icelandic shelf. Figure 2: The δ 18 O-shell series and ΔR record. Figure 3: Spatial and temporal examination of the δ 18 ...

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