Blobs of brown ... the Everglades for decades and remains a challenge. The phosphorous has altered the ecosystem, contributing to toxic algae blooms, oxygen depletion and harmed native plants ...

This is where brown pelicans crash down onto ... mangroves, beaches and plants and animals. The sun rises over the Everglades and sets over the ocean, and in between is the prime time to paddle ...

EVERGLADES, Fla. (AP) — In a region of Florida known as the River of Grass, John Kominoski plops into hip-deep waters. Blobs of brown periphyton ... and harmed native plants and wildlife.