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Alongside Ötzi the Iceman: A bounty of ancient mosses and liverworts

Science Daily: Climate News - Wed, 10/30/2019 - 21:14
Buried alongside the famous Ötzi the Iceman are at least 75 species of bryophytes -- mosses and liverworts -- which hold clues to Ötzi's surroundings, according to a new study.

Carbon bomb: Study says climate impact from loss of intact tropical forests grossly underreported

Science Daily: Climate News - Wed, 10/30/2019 - 21:11
A new study says that carbon impacts from the loss of intact tropical forests has been grossly underreported.

Abrupt shifts in Arctic climate projected

Science Daily: Climate News - Wed, 10/30/2019 - 19:26
Researchers project that as the permafrost continues to degrade, the climate in various regions of the Arctic could potentially change abruptly in the relatively near future. Their research also suggests that as the permafrost degrades, the severity of wildfires will double from one year to the next and remain at the new and higher rate for regions in the Northwestern Territories and the Yukon.

Land restoration in Ethiopia pays off but climate change necessitates many strategies

Science Daily: Climate News - Wed, 10/30/2019 - 19:26
In the last decade, Ethiopia has invested more than US $1.2 billion annually in restoring landscapes in several regions of the country. Research takes stock of Ethiopia's major restoration projects and investigates their impact on ecosystem services. Researchers say their work can help policymakers tailor future restoration actions to specific ecosystem needs.

Housing developers could be the secret weapon to improving air quality

Science Daily: Climate News - Wed, 10/30/2019 - 16:11
Housing developers and urban planners could be the unlikely heroes in the battle against the 'new tobacco' -- air pollution -- say researchers.

Bacteria and fungi show a precise daily rhythm in tropical air

Science Daily: Climate News - Wed, 10/30/2019 - 16:00
Scientists have found that the air in the tropics is teeming with a rich and diverse range of at least 725 different microorganisms.

Harmful emissions from traffic, trucks, SUVs

Science Daily: Climate News - Wed, 10/30/2019 - 13:33
Almost one third of Canadians live near a major road -- and this means they go about their everyday lives exposed to a complex mixture of vehicle air pollutants. A new study reveals that emissions from nearby traffic can greatly increase concentrations of key air pollutants, with highly polluting trucks making a major contribution.

Why are big storms bringing so much more rain? Warming, yes, but also winds

Science Daily: Climate News - Wed, 10/30/2019 - 00:24
For three hurricane seasons in a row, storms with record-breaking rainfall have caused catastrophic flooding in the southern United States. A new analysis explains why this trend is likely to continue with global warming: Both the higher moisture content of warmer air and storms' increasing wind speeds conspire to produce wetter storms.

Global warming's impact on undernourishment

Science Daily: Climate News - Tue, 10/29/2019 - 20:07
Global warming may increase undernutrition through the effects of heat exposure on people, according to a new study.

Human activities boosted global soil erosion 4,000 years ago

Science Daily: Climate News - Tue, 10/29/2019 - 19:14
Soil erosion reduces the productivity of ecosystems, it changes nutrient cycles and it thus directly impacts climate and society. An international team of researchers, recorded temporal changes of soil erosion by analyzing sediment deposits in more than 600 lakes worldwide. They found that the accumulation of lake sediments increased significantly on a global scale around 4,000 years ago.

Exposing blind spots in the carbon budget space

Science Daily: Climate News - Tue, 10/29/2019 - 16:33
The impact of 1°C of global heating is already having devastating impacts on communities and ecosystems across the globe. Researchers have identified biases towards some selected carbon budgets in the current scenario literature. They propose a more comprehensive approach to systematically explore the carbon budget scenario space.

Climate change could drive British crop farming north and west

Science Daily: Climate News - Tue, 10/29/2019 - 14:07
Unchecked climate change could drive Britain's crop growing north and west, leaving the east and south east unable to support crop growing, new research suggests.

Where to install renewable energy in US to achieve greatest benefits

Science Daily: Climate News - 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

Science Daily: Climate News - 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

Science Daily: Climate News - 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

Science Daily: Climate News - 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

Science Daily: Climate News - 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

Science Daily: Climate News - 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

Science Daily: Climate News - 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

Science Daily: Climate News - 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.

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