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Fighting global warming and climate change requires a broad energy portfolio

Can the continental United States make a rapid, reliable and low-cost transition to an energy system that relies almost exclusively on wind, solar and hydroelectric power? While there is growing excitement for this vision, a new study describes a more complicated reality. »
20 June 2017, 00:40 - sciencedaily - Search similar - Email

Large Canadian Arctic climate change study cancelled due to climate change

The Science Team of the Canadian Research Icebreaker CCGS Amundsen has cancelled the first leg of the 2017 Expedition due to complications associated with the southward motion of hazardous Arctic sea ice, caused by climate change. »
14 June 2017, 02:50 - sciencedaily - Search similar - Email

Iqaluit could start running out of fresh water by 2024

Without action, the supply of fresh water in Iqaluit will begin to dwindle by 2024 due to climate change and increased demand, new research has found. »
13 June 2017, 08:20 - sciencedaily - Search similar - Email

Sahara greening may intensify tropical cyclone activity worldwide

Future climate warming could lead to a re-greening of the southernmost Sahara (Sahel), with decreased dust emissions and changes in land cover. In a recent study, researchers have found that tropical cyclone activity may have increased during past warm climates in connection with a greening of the Sahara. »
9 June 2017, 18:00 - sciencedaily - Search similar - Email

Where climate change is most likely to induce food violence

While climate change is expected to lead to more violence related to food scarcity, new research suggests that the strength of a country's government plays a vital role in preventing uprisings. »
8 June 2017, 23:30 - sciencedaily - Search similar - Email

Small climb in mean temperatures linked to far higher chance of deadly heat waves

An increase in mean temperature of 0.5 degrees Celsius over half a century may not seem all that serious, but it's enough to have more than doubled the probability of a heat wave killing in excess of 100 people in India, according to researchers. »
8 June 2017, 05:00 - sciencedaily - Search similar - Email

Finding new homes won't help emperor penguins cope with climate change

Unlike other species that migrate successfully to escape the wrath of climate change, a new study shows that dispersal may help sustain global Emperor penguin populations for a limited time, but, as sea ice conditions continue to deteriorate, the 54 colonies that exist today will face devastating declines by the end of this century. »
7 June 2017, 22:50 - sciencedaily - Search similar - Email

El Niño and global warming combine to cause record-breaking heat in Southeast Asia

A devastating combination of global warming and El Niño is responsible for causing extreme temperatures in April 2016 in Southeast Asia, scientists have found. »
6 June 2017, 22:10 - sciencedaily - Search similar - Email

Marine reserves help mitigate against climate change, say scientists

Highly protected marine reserves can help mitigate against the impacts of climate change, a study by a team of international scientists has concluded. »
6 June 2017, 03:40 - sciencedaily - Search similar - Email

Breeding pairs of birds cooperate to resist climate change

Most bird chicks need parental care to survive. In biparental species the chicks have greater chances of success if both parents participate in this task, especially under hostile situations. An international team of scientists has revealed that when temperatures rise, males and females in pairs of plovers shift incubation more frequently. »
5 June 2017, 21:31 - sciencedaily - Search similar - Email

Earliest human-made climate change took place 11,500 years ago

A new study has uncovered the earliest known geological indications of humanmade climate change from 11,500 years ago. »
5 June 2017, 21:31 - sciencedaily - Search similar - Email

Sydney Harbor emissions equivalent to 200 cars on the roads

The first footprint of Sydney Harbor's carbon emissions has found it is roughly equivalent to similar natural 'drowned river' estuaries in the US but significantly less than polluted water sources straddling build-up areas in Europe and Asia. »
3 June 2017, 01:40 - sciencedaily - Search similar - Email

High release of strong greenhouse gas nitrous oxide found from northern peatlands at permafrost thaw

Permafrost thaw may greatly increase emissions of nitrous oxide (N2O) from northern permafrost peatlands, research shows. Nitrous oxide is a strong greenhouse gas: 300 times more powerful per unit mass in warming the climate than carbon dioxide. »
31 May 2017, 18:00 - sciencedaily - Search similar - Email

Human activity has polluted European air for 2,000 years

A new study combining European ice core data and historical records of the infamous Black Death pandemic of 1349-1353 shows metal mining and smelting have polluted the environment for thousands of years, challenging the widespread belief that environmental pollution began with the Industrial Revolution in the 1700s and 1800s. »
31 May 2017, 18:00 - sciencedaily - Search similar - Email

Death by volcano?

The discovery of anomalously high levels of mercury in rocks from the Ordivician geological period has led to a new interpretation of the ensuing mass extinction. A sequence of disturbances may have led to catastrophic cooling by reflective sulfate aerosols injected into the atmosphere by massive volcanism. »
30 May 2017, 23:30 - sciencedaily - Search similar - Email

More frequent extreme ocean warming could further endanger albatross

As scientists grapple with the behavioral, ecological and evolutionary impacts of extreme climatic events, new research articles explore what is known on the topic and pioneer new approaches to this challenging and rapidly expanding field of study. »
30 May 2017, 23:30 - sciencedaily - Search similar - Email

Climate change can alter the impact of forest pathogens in trees

New research on projected climate changes indicates that climate change has an alarming potential to increase the damage caused to Norway spruce trees by a naturally circulating disease spreading fungus. »
30 May 2017, 23:30 - sciencedaily - Search similar - Email

Losing sleep over climate change

A new study of US data suggests a sleep-deprived planet by century's end. Researchers show that unusually warm nights can harm human sleep and that the poor and elderly are most affected. Rising temperatures will make sleep loss more severe. »
27 May 2017, 21:30 - sciencedaily - Search similar - Email

Changing climate could have devastating impact on forest carbon storage

Biologists have shown what could be a startling drop in the amount of carbon stored in the Sierra Nevada mountains due to projected climate change and wildfire events. »
26 May 2017, 02:20 - sciencedaily - Search similar - Email

Reduced US air pollution will boost rainfall in Africa's Sahel, says study

Falling sulfur dioxide emissions in the United States are expected to substantially increase rainfall in Africa's semi-arid Sahel, while bringing slightly more rain to much of the US, according to a new study. »
24 May 2017, 19:30 - sciencedaily - Search similar - Email