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Climate change and climate prediction. Read science articles on regional climates and global climate shifts. Updated daily.
Updated: 2 hours 24 min ago

New research sheds light on the unique 'call' of Ross Sea killer whales

Wed, 02/26/2020 - 16:12
New research has found that the smallest type of killer whale has 28 different complex calls, comprising a combination of burst-pulse sounds and whistles, which they use to communicate with family members about the changing landscape and habitat.

Seeds in Tibet face impacts from climate change

Wed, 02/26/2020 - 00:17
A new study examines how warming and increased precipitation (rain and snow) harms the seeds in the ground of the Tibetan Plateau and elsewhere.

The do's and don'ts of monitoring many wildlife species at once

Tue, 02/25/2020 - 22:43
A new analysis of 92 studies from 27 countries conducted by ecologists suggests that many recent multi-species studies of wildlife communities often incorrectly use the analytical tools and methods available. Technology such as trail cameras and drones have 'revolutionized wildlife monitoring studies' in recent years, says organismic and evolutionary biologists 'but if not properly used in well-designed research, they will compromise the reliability of the results obtained.'

Heatwave exposure linked to increased risk of preterm birth in California

Tue, 02/25/2020 - 20:37
A new study found that exposure to heatwaves during the last week of pregnancy was strongly linked to an increased risk of preterm delivery -- the hotter the temperature or the longer the heatwave, the greater the risk.

Shrinking sea ice is creating an ecological trap for polar bears

Tue, 02/25/2020 - 19:50
The decision of each individual bear to stay on the ice or to move to land appears to be linked to the energetic cost or benefit of either option, and the potential of having to swim to reach land.

Glacier algae creates dark zone at the margins of the Greenland Ice Sheet

Tue, 02/25/2020 - 18:44
New research has revealed new insights into how the microscopic algae that thrives along the edge of the Greenland Ice Sheet causes widespread darkening.

Human Populations survived the Toba volcanic super-eruption 74,000 years ago

Tue, 02/25/2020 - 18:44
Researchers present evidence that Middle Palaeolithic tool-users were present in India before and after the Toba super-eruption 74,000 years ago. The findings support arguments that Homo sapiens was present in South Asia prior to major waves of human expansion 60,000 years ago, and that populations endured climatic and environmental changes.

Mangrove forests provide cause for conservation optimism, for now

Tue, 02/25/2020 - 17:49
An international team of researchers has found that globally, mangrove loss rates have reduced by almost an order of magnitude between the late 20th and early 21st century -- from what was previously estimated at one to three per cent per year, to about 0.3 to 0.6 per cent per year, thanks in large part to successful mangrove conservation efforts.

What to expect when you're expecting electric transportation

Tue, 02/25/2020 - 17:13
While electric vehicles alone may not reduce carbon emissions, a new study reveals that when electric vehicles are powered with renewable energy and coupled with carbon policy strategies, they can help combat climate change without sacrificing economic growth.

Reducing nutrient pollution helps coral resist bleaching

Tue, 02/25/2020 - 01:35
Coral reefs are not doomed. Although human activities threaten the iconic ecosystems in many different ways, scientists maintain that reefs can continue to thrive with the right assistance.

Quadrupling turbines, US can meet 2030 wind-energy goals

Tue, 02/25/2020 - 01:34
The United States could generate 20% of its electricity from wind within 10 years, without requiring any additional land, according to new research.

'Grand Challenge' review stresses global impact of microplastics

Mon, 02/24/2020 - 22:27
Microplastics are not just an ocean problem.

A plan to save Earth's oceans

Mon, 02/24/2020 - 17:05
At least 26 per cent of our oceans need urgent conservation attention to preserve Earth's marine biodiversity, a new study has found. Experts have said the international community needed to rapidly increase marine conservation efforts to maintain the health of the world's oceans.

Offshore wind farms could power much of coastal China

Fri, 02/21/2020 - 23:07
If China is to meet and exceed its Paris Climate Agreement goal by 2030, it's going to need to find a way to increase its wind capacity. Researchers found that offshore wind could be a big part of the solution.

Genetics of how corn can adapt faster to new climates

Fri, 02/21/2020 - 23:07
Researchers have decoded the genetic map for how maize from tropical environments can be adapted to the temperate US summer growing season. They believe that if they can expand the genetic base by using exotic varieties, they might be able to counter stresses such as emerging diseases and drought associated with growing corn in a changing climate.

New studies explore how knowledge drives action in climate change decision-making

Fri, 02/21/2020 - 01:27
In several new studies, researchers explore the importance of learning and knowledge in environmental decision-making and the different ways in which scientific knowledge can become more relevant and useful for societies.

DNA from ancient packrat nests helps unpack Earth's past

Thu, 02/20/2020 - 21:17
New work shows how using next-generation DNA sequencing on ancient packrat middens -- nests made out of plant material, fragments of insects, bones, fecal matter, and urine -- could provide ecological snapshots of Earth's past. The study may pave the way for scientists to better understand how plant communities -- and possibly animals, bacteria, and fungi as well -- will respond to human-caused climate change.

Old carbon reservoirs unlikely to cause massive greenhouse gas release

Thu, 02/20/2020 - 21:17
As global temperatures rise, permafrost and methane hydrates -- large reservoirs of ancient carbon -- have the potential to break down, releasing enormous quantities of the potent greenhouse gas methane. But would this methane actually reach the atmosphere? Researchers found that even if methane is released from these natural stores in response to warming, very little reaches the atmosphere; therefore, anthropogenic emissions should be more concerning than these natural feedbacks.

Huge stores of Arctic sea ice likely contributed to past climate cooling

Thu, 02/20/2020 - 20:05
Climate scientists propose that massive amounts of melting sea ice in the Arctic drained into the North Atlantic and disrupted climate-steering currents, thus playing an important role in causing past abrupt climate change after the last Ice Age, from about 8,000 to 13,000 years ago.

The climate and increased extreme weather affect our energy systems

Thu, 02/20/2020 - 20:05
Climate change, with more and more storms and heat waves, also has consequences for our energy supply. An international research team has now developed a new method for calculating how extreme weather affects energy systems.