| | FactoidHeadline |
|---|
| Factoid/2019/09/03 | Parasite responsible for sea otter deaths |
| Factoid/2019/09/04 | Coral polyps can recycle their own nitrogen |
| Factoid/2019/09/05 | Harmful effects of over-fertilization |
| Factoid/2019/09/06 | Supply of cold, dense Antarctic water returns to the Atlantic |
| Factoid/2019/09/09 | Loss of ocean oxygen at fault for mass prehistoric extinction |
| Factoid/2019/09/10 | Tracking lake behavior change as climate warms |
| Factoid/2019/09/11 | Wastewater treatment plants impacted by microplastic pollution |
| Factoid/2019/09/12 | Lightning superbolts expected this November |
| Factoid/2019/09/13 | UN high seas treaty fails to address management of over 95% of fish species |
| Factoid/2019/09/16 | Loss of phosphorus threatens global food security and environmental health |
| Factoid/2019/09/17 | Spilled oil takes 30 years to decompose |
| Factoid/2019/09/18 | Antarctic sponge may help with malaria treatment |
| Factoid/2019/09/19 | Jurassic marine crocodile identified |
| Factoid/2019/09/20 | Microplastics stunt growth of critical soil invertebrate, earthworms |
| Factoid/2019/09/23 | Four billion microplastics in Tampa Bay, FL |
| Factoid/2019/09/24 | New report on sea level rise released |
| Factoid/2019/09/25 | Sea Grant announces aquaculture research funding |
| Factoid/2019/09/26 | Successful sea otter repopulation efforts in Monterey |
| Factoid/2019/09/27 | Electric eels inspired the world's first battery in 1799 |
| Factoid/2019/09/30 | Microplastics are now permanent part of Earth's sedimentary layers |