Sunshine is making Deepwater Horizon oil stick around
Nearly a decade after the spill, oxygen-rich by-products don’t seem to be going anywhere
![oil spill](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2018/06/060818_LH_oil-spill_feat.jpg?fit=860%2C460&ssl=1)
JUST ADD SUNLIGHT Oil swirls at the water’s surface after the 2010 Deepwater Horizon oil spill. Sunlight transformed the oil molecules on the surface into new molecules that are still sticking around.
NOAA