The dark cost of being toxic https://www.mpg.de/19765337/0118-choe-the-dark-cost-of-being-toxic-155371-x?c=12641503
Monarch butterflies that sequester large amounts of plant toxins to defend against predators do so at the cost of increased oxidative damage, which is visible in the conspicuousness of their orange wings.
ocean absorbs more microplastics from the atmosphere than it releases into it Amazon