New research shows acidification caused by carbon dioxide kills and stunts baby Dungeness crabs.
A slowdown in Atlantic currents that worsened blizzards, floods and hurricanes may have been natural.
Tropical regions are likely to suffer the biggest increase in hot days and extreme weather, scientists say.
A powerful link has been found between the biodiversity of a reef and the size of the fisheries it supports.
Marshes are used to reduce flooding, and new research shows how they could flourish as seas rise.
Climate change's combined effects of falling oxygen levels and rising acidity threaten ocean wildlife.
A raucous debate is swirling in Florida over plans to dredge vulnerable corals to expand a shipping port.
Hurricanes supercharge forests' ability to store carbon, Duke University researchers have found.
Coral reefs reduce wave heights by two-thirds on average, protecting coasts from floods and erosion.
Ocean acidification is causing reefs in Florida to dissolve decades ahead of previous predictions.
Global warming is reducing oxygen supplies for marine wildlife along the West Coast and elsewhere.
New modeling is a "smoking gun" linking climate change with record Great Barrier Reef bleaching.
Developing a system under which climate pledges are reviewed and improved is 'essential' for success.
Scientists don't know how much flooding Antarctic melting will cause — but it may wipe out cities.
The World Surf League has started a unique partnership with Columbia University climate scientists.
The vast majority of the world's largest reef ecosystem has been ravaged by coral bleaching.
The East Coast is sinking, which is worsening the impacts of sea level rise. These are the hot spots.
Coral that survived a massive bleaching event could hold a climate change adaptation secret.
The rapidly warming Arctic is already impacting Alaska, as earlier ice breakups on the Tanana River are more likely.
Warm, wet weather helped set a record for the earliest start to the Greenland ice sheet melt season.