15 years after the BP oil spill disaster, how is the Gulf of Mexico faring? – Mongabay

Deepwater Horizon Fire - April 22, 2010 (courtesy of the US Coast Guard public domain via SkyTruth Galleries on Flickr).

The Deepwater Horizon disaster on April 20, 2010, was the largest offshore oil spill in U.S. history, releasing an estimated 4.9 million barrels of oil into the Gulf of Mexico…Fifteen years later, the gulf ecosystem shows a complicated picture of both resilience and lingering damage, with some species, like brown pelicans, recovering, while others, like humans, dolphins and deep-sea corals, continue to struggle with long-term health impacts.

Cigarette Butts Are A Hidden Threat To California’s Horn Sharks – Forbes

Juvenile horn shark (Heterodontus francisci) at the Monterey Bay Aquarium (by Erik Ogan CC BY-SA 2.0 via Wikimedia).

Marine debris continues to be a pressing environmental issue worldwide, particularly plastic waste, which often originates from land-based sources and can break down into microplastics. While many types of waste contribute to marine pollution, cigarette butts are the most commonly found form of plastic waste, and they pose unique threats to ocean ecosystems…