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Climate change and climate prediction. Read science articles on regional climates and global climate shifts. Updated daily.
Updated: 1 hour 49 min ago

Where to install renewable energy in US to achieve greatest benefits

Tue, 10/29/2019 - 14:07
A new study shows that to achieve the biggest improvements in public health and the greatest benefits from renewable energy, wind turbines should be installed in the Upper Midwest and solar power should be installed in the Great Lakes and Mid-Atlantic regions.

The homeland of modern humans

Mon, 10/28/2019 - 23:51
A landmark study pinpoints the birthplace of modern humans in southern Africa and suggests how past climate shifts drove their first migration.

Theory explains biological reasons that force fish to move poleward

Mon, 10/28/2019 - 22:44
The Gill-Oxygen Limitation Theory explains the biological reasons that force fish, particularly larger or older ones, to move poleward when the waters in their habitats heat-up due to climate change.

Nutritious foods have lower environmental impact than unhealthy foods

Mon, 10/28/2019 - 22:43
Widespread adaptation of healthier diets would markedly reduce the environmental impact of agriculture and food production. For the first time, researchers have tied the health impacts of foods to their overall environmental impact.

Climate engineering: International meeting reveals tensions

Mon, 10/28/2019 - 22:43
At this point, the greatest danger of climate engineering may be how little is known about where countries stand on these potentially planet-altering technologies. Who is moving forward? Who is funding research? And who is being left out of the conversation?

Extent of human encroachment into world's protected areas revealed

Mon, 10/28/2019 - 22:43
Largest study yet to compare protected with 'matched' unprotected land finds 'significantly higher' increases in human pressure -- primarily through agriculture -- in protected areas across the tropics. Researchers argue that efforts to increase coverage may not help save wildlife unless protecting land 'on paper' is backed up by funding and local community engagement.

Engineers develop a new way to remove carbon dioxide from air

Sat, 10/26/2019 - 00:08
A new way of removing carbon dioxide from a stream of air could provide a significant tool in the battle against climate change. The new system can work on the gas at virtually any concentration level, even down to the roughly 400 parts per million currently found in the atmosphere.

Study casts doubt on carbon capture

Sat, 10/26/2019 - 00:08
Current approaches to carbon capture can increase air pollution and are not efficient at reducing carbon in the atmosphere, according to new research.

Reframing Antarctica's meltwater pond dangers to ice shelves and sea level

Fri, 10/25/2019 - 20:04
On Antarctica, meltwater ponds riddle a kilometer-thick, 10,000-year-old ice shelf, which shatters just weeks later. The collapse shocks scientists and unleashes the glacier behind the ice shelf, driving up sea level. A new study puts damage by meltwater ponds to ice shelves and the ensuing threat to sea level into cool, mathematical perspective.

Energy regulation rollbacks threaten progress against harmful ozone

Fri, 10/25/2019 - 18:30
The fight against harmful ozone is under legal threat. Air quality and carbon emissions regulations are currently in limbo in courts and congress, from core legislation from the 1970s to rules from the last US administration. This study models the future losses in the fight to drive down respiratory-damaging ozone if the regulations go away.

Did an extraterrestrial impact trigger the extinction of ice-age animals?

Fri, 10/25/2019 - 18:03
Based on research at White Pond near Elgin, South Carolina, archaeologists present new evidence of a controversial theory that suggests an extraterrestrial body crashing to Earth almost 13,000 years ago caused the extinction of many large animals and a probable population decline in early humans.

Warming waters, local differences in oceanography affect Gulf of Maine lobster population

Fri, 10/25/2019 - 14:59
Two new studies point to the role of a warming ocean and local differences in oceanography in the rise and fall of lobster populations southern New England to Atlantic Canada.

Not all plants are good for you

Fri, 10/25/2019 - 14:59
A new scientific review highlights a significant global health issue related to plants that sicken or kill undernourished people around the world, including those who depend upon these plants for sustenance. Some of these plants become even more toxic due to climate change.

What's driving tropical deforestation? Scientists map 45 years of satellite images

Fri, 10/25/2019 - 14:58
Tropical forests are under increasing pressure from human activity such as agriculture. However, in order to put effective conservation measures in place, local decision-makers must be able to precisely identify which areas of forest are most vulnerable. A new analysis method could hold the key.

Daylight not rain most important for Africa 'green-up' phenomenon

Fri, 10/25/2019 - 14:58
Contrary to popular belief, seasonal rains are not the most important factor for starting the growth cycle of plants across Africa. New research shows that the amount of daylight plants receive is the biggest contributing factor to starting the iconic 'green-up' phenomenon in Africa - where the continent's plants and trees grow their leaves.

Mountain streams emit a surprising amount of carbon dioxide

Fri, 10/25/2019 - 14:54
For the first time, scientists have measured the total amount of CO2 emissions from mountain streams worldwide. This research builds on recent findings and shows how important it is to include mountain streams in assessments of the global carbon cycle.

US corn yields get boost from a global warming 'hole'

Thu, 10/24/2019 - 22:41
The global average temperature has increased 1.4 degrees Fahrenheit over the last 100 years. In contrast, the Corn Belt of the U.S., one of the most agriculturally productive regions of the world, has experienced a decrease in temperatures in the summer during the growing season. Known as the 'US warming hole,' this anomalous cooling phenomenon, which occurred in tandem with increasing rainfall, was responsible for boosting corn yields by 5 to 10 percent per year, according to a new study.

Higher local earthworm diversity in temperate regions than in the tropics

Thu, 10/24/2019 - 21:12
In any single location, there are typically more earthworms and more earthworm species found in temperate regions than in the tropics. Global climate change could lead to significant shifts in earthworm communities worldwide, threatening the many functions they provide.

The shelf life of pyrite

Thu, 10/24/2019 - 19:26
What exactly triggers the increase in carbon dioxide concentrations that causes the transition from a glacial stage to a warm stage is not fully understood. Scientists have developed a new model in which the weathering of pyrite, a common mineral containing sulfur, plays a key role.

Imperfect diamonds paved road to historic Deep Earth discoveries

Thu, 10/24/2019 - 17:58
Researchers have explored how carbon moves between Earth's interior, surface and atmosphere; how much deep carbon exists, in what forms (including vast microbial life); where carbon came from; and how life began.