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First widespread chytrid fungus infections in frogs of Peruvian Amazon rain forests

Science Daily: Climate News - Thu, 10/17/2019 - 18:17
Biologists have documented, for the first time, the widespread presence of the notorious chytrid fungus in 80 species of frogs from lowland rain forest sites in the Peruvian Amazon.

Information theory as a forensics tool for investigating climate mysteries

Science Daily: Climate News - Thu, 10/17/2019 - 14:55
During Earth's last glacial period, temperatures on the planet periodically spiked dramatically and rapidly. A new article suggests that mathematics from information theory could offer a powerful tool for analyzing and understanding these mysterious events.

Tiny particles lead to brighter clouds in the tropics

Science Daily: Climate News - Wed, 10/16/2019 - 20:12
When clouds loft tropical air masses higher in the atmosphere, that air can carry up gases that form into tiny particles, starting a process that may end up brightening lower-level clouds, according to a new study. Clouds alter Earth's radiative balance, and ultimately climate, depending on how bright they are. The new paper describes a process that may occur over 40% of the Earth's surface.

Climate change increases risk of mercury contamination

Science Daily: Climate News - Wed, 10/16/2019 - 19:45
As global temperatures continue to rise, the thawing of permafrost is accelerated and mercury trapped in the frozen ground is now being released. The mercury is transforming into more mobile and potentially toxic forms that can lead to environmental and health concerns for wildlife, the fishing industry and people in the Arctic and beyond.

Galapagos study highlights importance of biodiversity in the face of climate change

Science Daily: Climate News - Wed, 10/16/2019 - 19:45
Study of wave turbulence suggests that highly mobile species and more diverse ecological communities may be more resilient to the effects of changing environmental conditions.

Are we underestimating the benefits of investing in renewable energy?

Science Daily: Climate News - Wed, 10/16/2019 - 16:49
Scientists have estimated the emissions intensity of carbon dioxide and other air pollutants from a major electricity distributor and highlighted key consequences - essential information for policymakers shaping decisions to reduce electricity system emissions.

Accelerating global agricultural productivity growth is critical

Science Daily: Climate News - Wed, 10/16/2019 - 14:47
The 2019 Global Agricultural Productivity Report, shows agricultural productivity growth -- increasing output of crops and livestock with existing or fewer inputs -- is growing globally at an average annual rate of 1.63%.  

Climate change concerns have largely ignored role of access to effective contraception

Science Daily: Climate News - Wed, 10/16/2019 - 02:29
Climate change concerns have largely ignored the importance of universal access to effective contraception, despite the impact of population growth on greenhouse gas emissions, argue experts.

Last year's extreme snowfall wiped out breeding of Arctic animals and plants

Science Daily: Climate News - Wed, 10/16/2019 - 00:15
In 2018, vast amounts of snow were spread across most of the Arctic region and did not melt fully until late summer, if at all. Researchers documented the consequences of this extreme weather event at Zackenberg, Northeast Greenland by extensively monitoring all components of the local ecosystem for more than 20 years, allowing them to compare life in the extreme year of 2018 to other, more 'normal,' years.

Increased risk of tularemia as the climate changes

Science Daily: Climate News - Tue, 10/15/2019 - 23:47
Researchers have developed a method for statistically predicting impacts of climate change on outbreaks of tularemia in humans. New results show that tularemia may become increasingly common in the future in high-latitude regions.

Two new porcelain crab species discovered

Science Daily: Climate News - Tue, 10/15/2019 - 23:47
Two new symbiotic porcelain crab species have been described. One of them, from the South China Sea of Vietnam, inhabits the compact tube-like shelters built by the polychaete worm with other organisms. The other inhabits the intertidal vermetid snail formations in the Colombian Caribbean.

Artificial intelligence and farmer knowledge boost smallholder maize yields

Science Daily: Climate News - Tue, 10/15/2019 - 23:46
Farmers in Colombia's maize-growing region of Córdoba had seen it all: too much rain one year, a searing drought the next. Yields were down and their livelihoods hung in the balance. To better deal with climate stress, farmers in Colombia's maize-growing region of Córdoba needed information services that would help them decide what varieties to plant, when they should sow and how they should manage their crops.

Targeting deeply held values crucial for inspiring pro-environmental behavior

Science Daily: Climate News - Tue, 10/15/2019 - 21:02
Given the alarming pace of climate change, it is increasingly important to understand what factors motivate people to take action - or not - on environmental issues. A recent study shows that deeply held values, which align closely with political leanings, can predict whether someone takes action to protect the environment.

Protein that triggers plant defences to light stress identified

Science Daily: Climate News - Tue, 10/15/2019 - 20:16
A newly discovered protein turns on plants' cellular defence to excessive light and other stress factors caused by a changing climate, according to a new study.

Study on climate protection: More forest -- less meat

Science Daily: Climate News - Tue, 10/15/2019 - 20:14
Forests help protect the climate. Reforestation can decisively contribute to mitigating global warming according to the Paris Agreement. Based on simulations, researchers have studied the conditions that should be fulfilled in Europe for this. According to the study, sufficient increase in forest areas requires a transformation of the food system and in particular, the reduction of meat consumption.

Strong storms generating earthquake-like seismic activity

Science Daily: Climate News - Tue, 10/15/2019 - 18:54
Researcher have uncovered a new geophysical phenomenon where a hurricane or other strong storm can spark seismic events in the nearby ocean as strong as a 3.5 magnitude earthquake.

Achieving a safe and just future for the ocean economy

Science Daily: Climate News - Tue, 10/15/2019 - 16:22
much attention has been given to the growth of the 'Blue Economy' -- a term which refers to the sustainable use of ocean and marine resources for economic growth, jobs, and improved livelihoods. Ocean resources are viewed as lucrative areas for increased investment, including in fisheries, aquaculture, bio-prospecting, renewable energy, oil and gas, and other businesses. Ensuring that socially equitable and sustainable development occurs should be the mandate of governments and industry, maintain an international group of researchers, led by UBC.

Lakes worldwide are experiencing more severe algal blooms

Science Daily: Climate News - Mon, 10/14/2019 - 18:17
The intensity of summer algal blooms has increased over the past three decades, according to a first-ever global survey of dozens of large, freshwater lakes. Researchers used 30 years of data from the Landsat 5 near-Earth satellite and created a partnership with Google Earth Engine to reveal long-term trends in summer algal blooms in 71 large lakes in 33 countries on six continents.

Hydrologic simulation models that inform policy decisions are difficult to interpret

Science Daily: Climate News - Fri, 10/11/2019 - 23:53
Hydrologic models that simulate and predict water flow are used to estimate how natural systems respond to different scenarios such as changes in climate, land use, and soil management. The output from these models can inform policy and regulatory decisions regarding water and land management practices. Numerical models have become increasingly easy to employ with advances in computer technology and software with graphical user interface (GUI). While these technologies make the models more accessible, problems can arise if they are used by inexperienced modelers.

New tool enables Nova Scotia lobster fishery to address impacts of climate change

Science Daily: Climate News - Fri, 10/11/2019 - 22:53
Researchers use long-term survey data sets and climate models to help fishing communities plan for a warmer ocean. Researchers have developed a tool that incorporates projected changes in ocean climate onto a geographic fishery management area. Now fishermen, resource managers, and policy-makers can use it to plan for the future sustainability of the lobster fishery in Nova Scotia and Canadian waters of the Gulf of Maine.

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