Cause & Effect

Online matchmaking isn't just for lovers—it's bringing would-be wasted food and hungry people together.

Thanks to climate change, these toxic algae keep spreading.

Don’t blame the recent flooding along the Mississippi River on the rain. We created this mess.

NOAA is predicting yet another doozy of an algae season for Lake Erie this summer.

Off the coast of Italy, CO2-spewing vents are giving scientists a glimpse at the acidic oceans of our future. The results are frightening.