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Climate change and climate prediction. Read science articles on regional climates and global climate shifts. Updated daily.
Updated: 55 min 28 sec ago

Hurricanes have become bigger and more destructive for USA

Mon, 11/11/2019 - 22:06
A new study shows that hurricanes have become more destructive since 1900, and the worst of them are more than 3 times as frequent now than 100 years ago. A new way of calculating the destruction unequivocally shows a climatic increase in the frequency of the most destructive hurricanes that routinely raise havoc on the North American south- and east coast.

Coastlines' contribution to climate change might have been underestimated

Fri, 11/08/2019 - 23:25
Permafrost coasts make up about one third of the Earth's total coastline. As a result of accelerated climate change, whole sections of coastline rapidly thaw, and erode into the Arctic Ocean. A new study now shows that large amounts of carbon dioxide are potentially being produced along these eroding permafrost coastlines in the Arctic.

Turbulence creates ice in clouds

Fri, 11/08/2019 - 17:28
Vertical air motions increase ice formation in mixed-phase clouds. This correlation was predicted theoretically for a long time, but could now be observed for the first time in nature. Using laser and radar equipment, the team measured the vertical air velocity and ice formation in thin mixed-phase clouds.

Aviation emissions' impacts on air quality larger than on climate, study finds

Fri, 11/08/2019 - 03:25
New research has quantified the climate and air quality impacts of aviation, broken down by emission type, altitude and location. The team found that growth in aviation causes twice as much damage to air quality as to the climate.

Unless warming is slowed, emperor penguins will be marching towards extinction

Thu, 11/07/2019 - 23:07
Emperor penguins are some of the most striking and charismatic animals on Earth, but a new study has found that a warming climate may render them extinct by the end of this century.

How climate change will affect hydropower production in Canada

Thu, 11/07/2019 - 23:00
Changing climate and weather patterns are going to have dramatic impacts on Canada's production potential of hydroelectricity, according to new research. Hydropower giant Quebec will see its hydroelectricity output potential jump by as much as 15%. In contrast, British Columbia, the second biggest hydropower producer in Canada, as well as Alberta, the Northwest Territories and Nunavut, will see drops in production potential as steep as 10%.

Melting Arctic sea ice linked to emergence of deadly virus in marine mammals

Thu, 11/07/2019 - 18:29
Scientists have linked the decline in Arctic sea ice to the emergence of a deadly virus that could threaten marine mammals in the North Pacific, according to a study.

Carbon dioxide capture and use could become big business

Thu, 11/07/2019 - 16:39
Capturing carbon dioxide and turning it into commercial products, such as fuels or construction materials, could become a new global industry, according to a new study.

Investigation of oceanic 'black carbon' uncovers mystery in global carbon cycle

Thu, 11/07/2019 - 15:40
An unexpected finding challenges a long-held assumption about the origin of oceanic black coal, and introduces a tantalizing new mystery: If oceanic black carbon is significantly different from the black carbon found in rivers, where did it come from?

Plants and fungi together could slow climate change

Thu, 11/07/2019 - 15:40
A new global assessment shows that human impacts have greatly reduced plant-fungus symbioses, which play a key role in sequestering carbon in soils. Restoring these ecosystems could be one strategy to slow climate change.

Combatting air pollution with nature

Wed, 11/06/2019 - 15:55
Air pollution is composed of particles and gases that can have negative impacts on both the environment and human health. Technologies to mitigate pollution have become widespread in recent years, but scientists are now exploring a new, pared-down approach: using nature to restore ecological balance.

Red deer are evolving to give birth earlier in a warming climate

Tue, 11/05/2019 - 21:09
Red deer living on the Isle of Rum, on the west coast of Scotland, have been giving birth earlier and earlier since the 1980s, at a rate of about three days per decade. New results now show that genetic change due to natural selection is partly contributing to the change: red deer are evolving.

Does climate change affect real estate prices? Only if you believe in it

Tue, 11/05/2019 - 21:09
A new study shows that at-risk homes sell for more in areas where people don't believe in climate change.

Scientist sheds light on complexity of biodiversity loss

Tue, 11/05/2019 - 18:50
Species richness -- the number of different species in a given ecological community -- is not the only, nor necessarily the best, way to measure biodiversity impacts on ecosystems.

Scientists declare climate emergency, establish global indicators for effective action

Tue, 11/05/2019 - 17:44
A global coalition of scientists says 'untold human suffering' is unavoidable without deep and lasting shifts in human activities that contribute to greenhouse gas emissions and other factors related to climate change.

Satellite tracking shows how ships affect clouds and climate

Tue, 11/05/2019 - 17:44
By matching the movement of ships to the changes in clouds caused by their emissions, researchers have shown how strongly the two are connected.

Changes in high-altitude winds over the South Pacific produce long-term effects

Tue, 11/05/2019 - 17:44
In the past million years, the high-altitude winds of the southern westerly wind belt, which spans nearly half the globe, didn't behave as uniformly over the Southern Pacific as previously assumed. Instead, they varied cyclically over periods of ca. 21,000 years. A new study has now confirmed close ties between the climate of the mid and high latitudes and that of the tropics in the South Pacific.

What we can learn from Indigenous land management

Tue, 11/05/2019 - 14:58
First Nations peoples' world view and connection to Country provide a rich source of knowledge and innovations for better land and water management policies when Indigenous decision-making is enacted, Australian researchers say. Incorporating the spirit and principles of Aboriginal people's appreciation and deep understanding of the landscape and its features has been overlooked or sidelined in the past - to the detriment of the environment, the report says.

Lost trees hugely overrated as environmental threat, study finds

Mon, 11/04/2019 - 22:57
Cutting down trees inevitably leads to more carbon in the environment, but deforestation's contributions to climate change are vastly overestimated, according to a new study.

Sea levels to continue rising after Paris agreement emission pledges expire in 2030

Mon, 11/04/2019 - 22:56
Sea levels will continue to rise around the world long after current carbon emissions pledges made through the Paris climate agreement are met and global temperatures stabilize, a new study indicates.