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Warming seas are robbing some fish of their vital sense of smell

By Marlene Cimons

There have been numerous wake-up calls about the effects of climate change on marine life. As ocean waters heat up, they are bleaching corals. Growing levels of carbon dioxide are acidifying seawater, which is degrading the shells and skeletons of sea organisms. The rising temperatures are prompting fish to migrate to colder waters, even causing them to shrink. Now climate change is starting to affect their sense of smell, a phenomenon that will worsen in the coming years if global warming continues unabated, according to new research.


An ocean ‘heat wave’ just drove temperatures off Maine to near-record highs

By Steven Mufson

Sea surface temperatures in the vast Gulf of Maine hit a near-record high of 68.93 degrees Fahrenheit on Aug. 8, part of what scientists called a month-long “marine heat wave” in the normally chilly waters that are home to everything from lobsters to whales.


Great Barrier Reef headed for ‘massive death’

By Rebecca Wright and Ivan Watson

The ‘Godfather of Coral’ predicts a ‘planetary catastrophe’


Half of the Great Barrier Reef Is Dead

By Lauren E. James

Half of the Great Barrier Reef has been bleached to death since 2016. Mass coral bleaching, a global problem triggered by climate change, occurs when unnaturally hot ocean water destroys a reef’s colorful algae, leaving the coral to starve.


Climate change is making Lake Tahoe warmer, adding stress to the ecosystem

By Daniel Rothberg

In an annual report released this week, U.C. Davis researchers found that climate change is adding new pressure to the Lake Tahoe ecosystem. The “State of the Lake Report” found that surface temperatures in July 2017 were the warmest on record, more than 6 degrees hotter than recordings from 2016, a trend likely to continue as air temperatures are predicted to rise.


Can you spot dead coral? – in pictures

Climate change is the greatest global threat to coral reef ecosystems. It warms the ocean and causes thermal stress, leading to coral bleaching. This bleaching is affecting the world’s largest coral reef system, the Great Barrier Reef, but what does a dying reef look like? These images from the Climate Council and Great Barrier Reef Legacy show the difference in what they should look like and what happens as they move from bleached to dead.


Stopping global warming is only way to save Great Barrier Reef, scientists warn

By Joshua Robertson Photo by Chris Jones

Improvements to water quality or fishing controls don’t prevent underwater heatwaves damaging coral, studies of mass bleaching events reveal.


Ocean data upgrade confirms pace of recent warming

By Robert McSweeney

Every day, thousands of measurements of the Earth’s temperature are taken across the world by weather stations, ships, satellites, floating buoys and weather balloons.