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Trashed farmland could be a conservation treasure

Science Daily: Climate News - 5 hours 51 min ago
Low-productivity agricultural land could be transformed into millions of hectares of conservation reserve across the world, according to new research. The research team proposed a new way of understanding the conservation value of ''uncontested lands'' - areas where agricultural productivity is low.

Why polar bears at sea have higher pollution levels than those staying on land

Science Daily: Climate News - 7 hours 18 min ago
As the climate changes, myriad animal populations are being impacted. In particular, Arctic sea-ice is in decline, causing polar bears in the Barents Sea region to alter their feeding and hunting habits. Bears that follow sea-ice to offshore areas have higher pollutant levels than those staying on land -- but why? A new study reports the likely reasons.

One-third of recent global methane increase comes from tropical Africa

Science Daily: Climate News - 7 hours 27 min ago
Concentrations of methane, a greenhouse gas about 28 times more potent than carbon dioxide, have risen steadily in Earth's atmosphere since 2007. Although several potential explanations, including an increase in methane emissions from the tropics, could account for this upsurge, due to a lack of regional data scientists have been unable to pinpoint the source. Now a study uses satellite data to determine that one-third of the global increase originates in Africa's tropics.

Breathing new life into the rise of oxygen debate

Science Daily: Climate News - 22 hours 34 min ago
New research strongly suggests that the distinct 'oxygenation events' that created Earth's breathable atmosphere happened spontaneously, rather than being a consequence of biological or tectonic revolutions. The study not only shines a light on the history of oxygen on our planet, it gives new insight into the prevalence of oxygenated worlds other than our own.

Technologies and scientific advances needed to track methane levels in atmosphere

Science Daily: Climate News - Tue, 12/10/2019 - 18:18
Understanding what influences the amount of methane in the atmosphere has been identified to be one of the foremost challenges in the earth sciences in the coming decades because of methane's hugely important role in meeting climate warming targets.

Natural ecosystems protect against climate change

Science Daily: Climate News - Tue, 12/10/2019 - 18:17
The identification of natural carbon sinks and understanding how they work is critical if humans are to mitigate global climate change. Tropical coastal wetlands are considered important but, so far, there is little data to show the benefits. This study showed that mangrove ecosystems need to be conserved and restored as part of the battle against rising carbon levels in the atmosphere.

Ice in motion: Satellites capture decades of change

Science Daily: Climate News - Tue, 12/10/2019 - 18:17
New time-lapse videos of Earth's glaciers and ice sheets as seen from space -- some spanning nearly 50 years -- are providing scientists with new insights into how the planet's frozen regions are changing.

Greenland ice losses rising faster than expected

Science Daily: Climate News - Tue, 12/10/2019 - 18:17
Greenland is losing ice seven times faster than in the 1990s and is tracking the Intergovernmental Panel on Climate Change's high-end climate warming scenario, which would see 40 million more people exposed to coastal flooding by 2100.

Could dark carbon be hiding the true scale of ocean 'dead zones'?

Science Daily: Climate News - Tue, 12/10/2019 - 18:16
The impact of climate change on the world's oceans is becoming increasingly known but new research suggests current computer models could be omitting a crucial piece of evidence when it comes to assessing the scale of ocean dead zones.

Could we cool Earth with an ice-free Arctic?

Science Daily: Climate News - Tue, 12/10/2019 - 18:16
The Arctic region is heating up faster than any other place on Earth, and as more and more sea ice is lost every year, we are already feeling the impacts. Researchers explored strategies for cooling down the oceans in a world without this important cooling mechanism.

Ramping up carbon capture could be key to mitigating climate change

Science Daily: Climate News - Tue, 12/10/2019 - 01:20
As the world gathers in Madrid to discuss how to reduce greenhouse gas emissions to fight climate change, a newly released study makes the case that trapping emissions underground could go a long way toward solving the problem.

New England fishermen losing jobs due to climate fluctuations

Science Daily: Climate News - Mon, 12/09/2019 - 23:13
For decades the biggest threat to the industry has been overfishing, but it is no longer the only threat. According to new research, fluctuations in the climate have already cost some New England fishermen their jobs. This specific effect of climate is distinct from the overall job losses and gains caused by other factors, such as changes in market demand, regulatory changes to curb overfishing, and broader economic trends.

Last remaining glaciers in the Pacific will soon melt away

Science Daily: Climate News - Mon, 12/09/2019 - 23:13
The last remaining tropical glaciers between the Himalayas and the Andes will disappear in the next decade -- and possibly sooner -- due to climate change, a new study has found. The glaciers in Papua, Indonesia, are ''the canaries in the coal mine'' for other mountaintop glaciers around the world, said one of the researchers.

The Antarctic: Data about the structure of the icy continent

Science Daily: Climate News - Mon, 12/09/2019 - 20:20
Satellite data from the European Space Agency (ESA) has now been used as the basis for new insights on the deep structure of the continent Antarctica.

Community characteristics shape climate change discussions after extreme weather

Science Daily: Climate News - Mon, 12/09/2019 - 20:20
Political affiliations, the presence of local environmental organizations and prior local media coverage of climate change play a role in how a community reacts to an extreme weather event, according to new research.

Megadroughts fueled Peruvian cloud forest activity

Science Daily: Climate News - Mon, 12/09/2019 - 20:19
New research has found that strong and long-lasting droughts parched the usually moist Peruvian cloud forests, spurring farmers to colonize new cropland. Findings also included evidence that recovery from some climate change-related damage is possible.

Some forests crucial for climate change mitigation, biodiversity

Science Daily: Climate News - Mon, 12/09/2019 - 20:19
Researchers have identified forests in the western United States that should be preserved for their potential to mitigate climate change through carbon sequestration, as well as to enhance biodiversity.

Large atmospheric waves in the jet stream present risk to global food production

Science Daily: Climate News - Mon, 12/09/2019 - 18:21
Researchers have discovered jet stream patterns that could affect up to a quarter of global food production.

Tackling air pollution: Researchers present emissions inventory for Nepal

Science Daily: Climate News - Mon, 12/09/2019 - 18:09
Data on emission amounts and sources have an important role to play in shaping policy on climate protection and air quality. Now, scientists have presented the first high-resolution inventory to record emissions of greenhouse gases and air pollutants in Nepal over an extended period of time. Their research reveals that the air pollution problem is growing at a much faster rate than the economy.

Sustainable new material for carbon dioxide capture

Science Daily: Climate News - Mon, 12/09/2019 - 15:05
Scientists have developed a new material for capturing carbon dioxide. The new material offers many benefits -- it is sustainable, has a high capture rate, and has low operating costs.

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