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Mysterious glowing coral reefs are fighting to recover

Science Daily: Climate News - Thu, 05/21/2020 - 18:26
A new study has revealed why some corals exhibit a dazzling colorful display, instead of turning white, when they suffer 'coral bleaching' -- a condition which can devastate reefs and is caused by ocean warming. The scientists behind the research think this phenomenon is a sign that corals are fighting to survive.

'Heat resistant' coral developed to fight bleaching

Science Daily: Climate News - Thu, 05/21/2020 - 15:47
A team of scientists has successfully produced in a laboratory setting a coral that is more resistant to increased seawater temperatures.

World can likely capture and store enough carbon dioxide to meet climate targets

Science Daily: Climate News - Thu, 05/21/2020 - 15:35
The world is currently on track to fulfill scenarios on diverting atmospheric CO2 to underground reservoirs, according to a new study.

Ancient ocean oxygen levels associated with changing atmospheric carbon dioxide

Science Daily: Climate News - Thu, 05/21/2020 - 02:14
Why do carbon dioxide levels in the atmosphere wax and wane in conjunction with the warm and cold periods of Earth's past? Scientists have been trying to answer this question for many years, and thanks to chemical clues left in sediment cores extracted from deep in the ocean floor, they are starting to put together the pieces of that puzzle.

In China, quarantine improves air and prevents thousands of premature deaths

Science Daily: Climate News - Thu, 05/21/2020 - 02:14
A new study finds that China's countrywide ban on traffic mobility from February 10 to March 14, 2020 greatly limited automobile emissions and sharply reduced the country's often severe air pollution. The improved air quality, in turn, prevented thousands of pollution-related deaths.

The future is knocking: Global food production to be transformed using new technology

Science Daily: Climate News - Wed, 05/20/2020 - 19:49
The world's growing population will necessitate a 30-70% increase in food production over the next 3 decades. If we are to succeed, it will require a complete overhaul of the way we produce food. Researchers have now created an overview of solutions that include a number of new technologies that can collectively address this global challenge.

Climate change will turn coastal Antarctica green, say scientists

Science Daily: Climate News - Wed, 05/20/2020 - 15:41
Scientists have created the first ever large-scale map of microscopic algae as they bloomed across the surface of snow along the Antarctic Peninsula coast. Results indicate that this 'green snow' is likely to spread as global temperatures increase.

But it's a dry heat: Climate change and the aridification of North America

Science Daily: Climate News - Tue, 05/19/2020 - 23:58
Discussions of drought often center on the lack of precipitation. But among climate scientists, the focus is shifting to include the growing role that warming temperatures are playing as potent drivers of greater aridity and drought intensification.

Aggressive carbon taxation could help US meet targets in Paris agreement

Science Daily: Climate News - Tue, 05/19/2020 - 21:44
A new study looked at US tax policy as it relates to carbon dioxide (CO2), from 2015 through 2030. The study found only limited short-term opportunities for decarbonization (reducing greenhouse gas emissions) outside the electricity sector. The result is substantial CO2 tax revenue. The findings shed light on future tax policy decisions.

Combined production of fish and vegetables can be profitable

Science Daily: Climate News - Tue, 05/19/2020 - 21:04
When it comes to future food production, the combined farming of fish and vegetables through aquaponics is currently a hotly debated topic. But how realistic is the idea? Researchers have just published an extensive profitability analysis of a facility that already produces fish and vegetables on a large scale. The result: aquaponics may have both environmental and cost benefits -- if produced according to good agricultural practice and under suitable conditions.

Researchers go cuckoo: Antarctic penguins release an extreme amount of laughing gas

Science Daily: Climate News - Tue, 05/19/2020 - 18:42
In a new study, researchers from the University of Copenhagen have demonstrated that penguins in Antarctica emit copious amounts of nitrous oxide via their feces. So much so, that the researchers went ''cuckoo'' from being surrounded by penguin poop.

COVID-19 crisis causes 17 percent drop in global carbon emissions

Science Daily: Climate News - Tue, 05/19/2020 - 18:42
The COVID-19 global lockdown has had an 'extreme' effect on daily carbon emissions, but it is unlikely to last, according to a new analysis.

Ambitious EU climate efforts could increase emissions in the rest of the world

Science Daily: Climate News - Tue, 05/19/2020 - 16:03
The more the EU economy succeeds in dialing down greenhouse gas emissions, the more the rest of the world will turn them up -- unless a similar level of green ambitions is shared by others. Up to 61.5% of the saved EU emissions could end up as increased emissions elsewhere in the world.

Long-term data show hurricanes are getting stronger

Science Daily: Climate News - Mon, 05/18/2020 - 22:49
In almost every region of the world where hurricanes form, their maximum sustained winds are getting stronger. That is according to a new study involving an analysis of nearly 40 years of hurricane satellite imagery.

Ocean warming's impact on Antarctic krill

Science Daily: Climate News - Mon, 05/18/2020 - 21:50
Ocean warming is likely to alter the distribution and lifecycle of ecologically and commercially important Antarctic krill over the rest of this century, according to new research. The study looked at how krill growth habitat is likely to be affected by changes to ocean temperatures and the concentration of the species' preferred food, phytoplankton.

Even biodiverse coral reefs still vulnerable to climate change and invasive species

Science Daily: Climate News - Mon, 05/18/2020 - 21:49
A new study reveals clear evidence highlighting the importance of fish biodiversity to the health of spectacular tropical coral reef ecosystems. However, the study's results show that even though strong relationships between diversity and a healthy ecosystem persist, human-driven pressures of warming oceans and invasive species still diminish ecosystems in various ways.

How climate killed corals

Science Daily: Climate News - Mon, 05/18/2020 - 21:49
A squad of climate-related factors is responsible for the massive Australian coral bleaching event of 2016. If we're counting culprits: it's two by sea, one by land.

Emissions from road construction could be halved using today's technology

Science Daily: Climate News - Mon, 05/18/2020 - 21:49
The construction sector accounts for a quarter of carbon dioxide emissions, in Sweden and globally. Researchers studied the construction of an eight km stretch of road and calculated how emissions could be reduced now and by 2045, looking at everything from materials choice, production technology, supply chains and transport.

South Asia faces increased threat of extreme heat, extreme pollution, study shows

Science Daily: Climate News - Mon, 05/18/2020 - 21:49
Scientists know that extreme heat has a negative impact on the human body -- causing distress in the respiratory and cardiovascular systems -- and they know that extreme air pollution can also have serious effects. But as climate change impacts continue globally, how often will humans be threatened by both of those extremes when they occur simultaneously?

What does drought mean for endangered California salmon?

Science Daily: Climate News - Mon, 05/18/2020 - 21:48
Droughts threatens California's endangered salmon population -- but pools that serve as drought refuges could make the difference between life and death for these vulnerable fish.

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