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The World from PRX on MSN2h
Chemical stench, green in color: Urban runoff is not just rain, Tijuana community says
The Tijuana River watershed straddles both sides of the US-Mexico border. For decades, economic policies have promoted ...
Earth’s Oceans Were Once Green, And Scientists Say They Could Shift Color Again
Ancient oceans were green due to their high iron content Cyanobacteria adapted to green light for photosynthesis Climate change is increasing phytoplankton, altering ocean color ...