Some plastic sent overseas for recycling ends up as pollution, or goes up in toxic smoke. But there are steps we can take to ensure our waste is processed as intended.
Joël Guiot, Aix-Marseille Université (AMU) and Wolfgang Cramer, Centre national de la recherche scientifique (CNRS)
The Mediterranean region, with its biodiversity, climate, demographics, and economic activities such as tourism, agriculture and fisheries, is particularly vulnerable to environmental risks.
Mar Benavides, Institut de recherche pour le développement (IRD)
In the ocean, phytoplankton helped by diazotrophs play an outstanding role in withdrawing CO₂ from the atmosphere. But climate change is disturbing this delicate balance.
The Atlantic Ocean is still growing physically, but humans are over-harvesting its rich fisheries. The most famous one – North Atlantic cod – has become a textbook example of harmful overfishing.
Some beaches in the world tend to consistently produce huge waves. Places like Nazaré Canyon in Portugal and Mavericks in California are famous for their waves because of the shape of the seafloor.
Scientists had been uncertain about why killer whales are dying in the northeastern Pacific Ocean. A new study takes an in-depth look and provides the tools to help prevent additional deaths in the future.
Healthy seagrasses form underwater meadows teeming with fish and shellfish. A successful large-scale restoration project in Virginia could become a model for reseeding damaged seagrass beds worldwide.