The final matchup of #RiverCup2026 Round 2 is: Susquehanna River vs Fly River! Read how anthropogenic influences are producing #WaterQualityThreats in these two river systems and then VOTE for your favorite! VOTE, VOTE, VOTE until 10/18 at: www.agu-h3s.org/rivercup #RiverCup2026

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Just in: The winners from #RiverCup2026 Round 2 Matchups 5 and 6 are: Congo River and Konza Prairie LTER!! Join us next week as they go head-to-head and battle for the winner of the #ChangingLandUse category!! VOTE for #WaterQualityThreats until 10/18! www.agu-h3s.org/rivercup #RiverCup2026

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Incoming: a fresh set of winners from Round 1 of #RiverCup2026! The Congo River, Yellow River, Konza Prairie LTER, and Amazon River are advancing to Round 2 in the #ChangingLandUse category! Voting is LIVE until 10/13 for the last matchups of Round 1 #WaterQualityThreats! www.agu-h3s.org/rivercup

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For the first matchup of our #WaterQualityThreats category: Niger vs Citarum! See physical facts about these rivers below and stick around to Round 2 to hear more about the water quality threats these rivers are facing! VOTE until 10/13! www.agu-h3s.org/rivercup

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For the second matchup in the #WaterQualityThreats category: Cape Fear vs Rio Tinto! Learn about these rivers below and hang around until Round 2 to hear about their unique water quality threats. Until 10/13: VOTE VOTE VOTE: www.agu-h3s.org/rivercup #RiverCup2026

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