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Climate change and climate prediction. Read science articles on regional climates and global climate shifts. Updated daily.
Updated: 1 hour 53 min ago

Diverse livelihoods helped resilient Levänluhta people survive a climate disaster

Fri, 04/24/2020 - 20:25
A multidisciplinary research group dated the bones of dozens of Iron Age residents of the Levänluhta site in Finland, and studied the carbon and nitrogen stable isotope ratios. The results provide an overview of the dietary habits based on terrestrial, marine and freshwater ecosystems, as well as of sources of livelihoods throughout the Levänluhta era.

Warming climate undoes decades of knowledge of marine protected areas

Fri, 04/24/2020 - 15:16
A new study highlights that tropical coral reef marine reserves can offer little defence in the face of climate change impacts. And the changes that are being observed will force scientists, conservationists and reserve managers to rethink the role these protected areas can bring.

No time to waste to avoid future food shortages

Fri, 04/24/2020 - 04:26
Plant scientists are working on improving photosynthesis on different fronts, from finding crop varieties that need less water, to tweaking parts of the process in order to capture more carbon dioxide and sunlight to ensure future global food security. These solutions have been highlighted in a recent Food Security Special issue of the Journal of Experimental Botany.

Iron deficiency in corals?

Thu, 04/23/2020 - 21:31
When iron is limited, the microalgae that live within coral cells change how they take in other trace metals, which could have cascading effects on vital biological functions and perhaps exacerbate the effects of climate change on corals.

Caribbean coral reef decline began in 1950s and 1960s from local human activities

Thu, 04/23/2020 - 04:40
Fossil data, historical records, and underwater survey data have been used to reconstruct the abundance of staghorn and elkhorn corals over the past 125,000 years. Researchers show that these corals first began declining in the 1950s and 1960s, earlier than previously thought.

Human-caused warming will cause more slow-moving hurricanes, warn climatologists

Wed, 04/22/2020 - 22:13
Hurricanes moving slowly over an area can cause more damage than faster-moving storms, and rising global temperatures will likely cause more mid-latitude hurricanes to slow down, said a team of climatologists. They used a large ensemble of climate simulations to explore the link between anthropogenic climate warming and hurricane movement speed.

Tectonic plates started shifting earlier than previously thought

Wed, 04/22/2020 - 22:13
Scientists examining rocks older than 3 billion years discovered that the Earth's tectonic plates move around today much as they did between 2 and 4 billion years ago. The findings suggest that the continents settled into place and sustained life much earlier than previously thought, and give insights into plate tectonics on other planets.

Disappearing Alaskan sea ice is significant for Arctic marine ecosystem

Wed, 04/22/2020 - 22:11
A new study shows that plant materials originating in Arctic sea ice are significantly incorporated into marine food webs that are used for subsistence in local communities of the greater Bering Strait region. The research has the potential to demonstrate the importance of sea ice ecosystems as a source of food in Arctic waters in Alaska and beyond.

More protections needed to safeguard biodiversity in the Southern Ocean

Wed, 04/22/2020 - 22:11
Current marine protected areas in the Southern Ocean need to be at least doubled to adequately safeguard the biodiversity of the Antarctic, according to a new study.

Excessive rainfall may have triggered 2018 Kilauea eruption

Wed, 04/22/2020 - 20:26
In May 2018 Kilauea volcano on the island of Hawaii erupted, touching off months of intense activity. Through August, incandescent lava from fissures spewed hundreds of feet in the air, and billowing ash clouds reached as high as six million.

Climate change's toll on freshwater fish: A new database for science

Wed, 04/22/2020 - 20:25
The Fish and Climate Change Database -- or FiCli (pronounced ''fick-lee'') -- is a searchable directory of peer-reviewed journal publications that describe projected or documented effects of climate change on inland fishes. Researchers, fisheries managers, conservationists, journalists and others can use FiCli to find scientific articles.

Online tool helps to protect tropical forests

Wed, 04/22/2020 - 18:22
A new tool maps the threats to the tropical dry forests in Peru and Ecuador. Bioscience engineers combined data on possible threats to these forests with data on the vulnerability of local tree species to these dangers, which the team estimated on the basis of species traits such as bark thickness and edibility of the leaves. The result is an online tool that local governments and NGOs can use to restore and conserve forests.

Carbon dioxide sensor can lower energy use, reduce utility costs

Wed, 04/22/2020 - 16:11
Researchers developed a sensor to help control and cut down on energy consumption through heating and ventilation systems.

Ocean: How the blob came back

Tue, 04/21/2020 - 22:02
Weakened wind patterns likely spurred the wave of extreme ocean heat that swept the North Pacific last summer, according to new research.

New model to improve accuracy of storm surge analysis

Tue, 04/21/2020 - 18:18
A new international study applied a novel statistical method that -- for the first time -- captures the important interactions between tides and storm surges. These natural forces are caused by meteorological effects, such as strong winds and low atmospheric pressure, and their impacts have often been difficult to understand because of the complexity of Mother Nature.

Rising carbon dioxide causes more than a climate crisis -- it may directly harm our ability to think

Tue, 04/21/2020 - 16:05
New research finds that an anticipated rise in carbon dioxide concentrations in our indoor living and working spaces by the year 2100 could lead to impaired human cognition.

Nearly half of US breathing unhealthy air; record-breaking air pollution in nine cities

Tue, 04/21/2020 - 16:05
Amid the COVID-19 pandemic, the impact of air pollution on lung health is of heightened concern. A new report finds nearly half of the nation's population -- 150 million people -- lived with and breathed polluted air, placing their health and lives at risk. The 21st annual 'State of the Air' report finds that climate change continues to make air pollution worse, with many western communities again experiencing record-breaking spikes in particle pollution due to wildfires.

New ethane-munching microbes discovered at hot vents

Tue, 04/21/2020 - 16:05
Researchers have discovered a microbe that feeds on ethane at deep-sea hot vents. They also succeeded in cultivating this microbe in the laboratory. What is particularly remarkable is that the mechanism by which it breaks down ethane is reversible. In the future, this could allow to use these microbes to produce ethane as an energy source.

Return of 'the Blob' could intensify climate change impacts on Northeast Pacific fisheries

Tue, 04/21/2020 - 16:05
A large marine heatwave would double the rate of the climate change impacts on fisheries species in the northeast Pacific by 2050, says a recently released study.

Arctic research expedition likely faces extreme conditions in fast-changing Arctic

Mon, 04/20/2020 - 23:57
Scientists have simulated conditions along potential routes for the MOSAiC polar expedition, using today's conditions in the 'new Arctic.' The results suggest that thinner sea ice may carry the ship farther than would be expected compared to historical conditions and the sea ice around the ship may melt earlier than the 12-month goal.