Human activities are threatening the health of the world's oceans. More than 80 percent of marine pollution comes from land-based activities. From coral bleaching to sea level rise, entire marine ...

Fish eat thousands of tons of plastic a year, transferring it up the food chain to bigger fish and marine mammals. Microplastics are ... more greenhouse gas emissions and more toxic air pollution, ...

“The onset of ubiquitous lead pollution in both terrestrial and marine environments 2,150 years ago is linked to a fundamental political change,” researchers write. “We argue that this ...

From our local beaches to the remote Arctic, it is choking our oceans and killing wildlife.If you're wondering about how much plastic is in the ocean and why it's such a problem, here are some facts .