How ocean circulation shapes climate on land

Ocean currents help shape climates on land

Ocean circulation moves huge amounts of heat and dissolved material around the planet. If those currents change, temperatures and rainfall can also change in places far from the currents themselves.

Cuba shifted from foreign control to Soviet aid

Cuba's revolution sought economic independence from foreign investors. Before the revolution, foreign investors controlled 75% of Cuba's arable land, 90% of its essential services, and 40% of its sugar production. Cuba instead became heavily dependent on subsidies from the Soviet Union.

Cheap clothing has made repairing clothes economically irrational

When fabric was expensive and labor comparatively cheap, repairing garments was often worthwhile. Mass production reversed that relationship for many everyday clothes: replacing an item can now cost less than paying someone to mend it. The change helps explain why clothing repair declined even though discarded garments still contain usable material.

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How ocean circulation shapes climate on land

Ocean currents help shape climates on land

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