Fiji says U.S. faces climate risks, urges Trump to ‘stay in canoe’

BONN, Germany (Reuters) – Fiji, due to lead global talks on climate change, said on Thursday that rising sea levels threaten New York and Miami and urged U.S. President Donald Trump to “stay in the canoe” alongside other nations in the fight against global warming.


Reuters: Environment

Australian climate extremes at 1.5 °C and 2 °C of global warming

Limiting warming to 1.5 °C is expected to lessen the risk of extreme events, relative to 2 °C. Considering Australia, this work shows a decrease of about 25% in the likelihood of record heat, both air and sea surface, if warming is limited to 1.5 °C.

Nature Climate Change doi: 10.1038/nclimate3296


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Concrete, or beaches? World’s sand running out as global construction booms

A crucial component of concrete, sand is vital to the global construction industry, writes Nick Meynen. China alone is importing a billion tonnes of sand a year, and its increasing scarcity is leading to large scale illegal mining and deadly conflicts. With ever more sand fetched from riverbeds, shorelines and sandbanks, roads and bridges are being undermined and beaches eroded. And the world’s sand wars are only set to worsen.
Environment news & analysis, climate change reports –
The Ecologist

Scientists call for more precision in global warming predictions

NEW YORK (Reuters) – Researchers from Harvard University, Princeton University and the Environmental Defense Fund proposed a new, more precise way to measure the effects of greenhouse gas emissions on Earth’s climate in an article published on Thursday in the academic journal Science.


Reuters: Environment

New Coral Bleaching Database To Help Predict Fate Of Global Reefs

Ocean Leadership ~

"Bleaching" of coral can be caused by warmer than normal ocean temperatures. (Credit: Great Barrier Reef Park / AFP - Getty Images file)

(Click to enlarge) “Bleaching” of coral can be caused by warmer than normal ocean temperatures. (Credit: Great Barrier Reef Park / AFP – Getty Images file)

A UBC-led research team has developed a new global coral bleaching database that could help scientists predict future bleaching events.

(From Science Daily) — Until now, knowledge of the geographic extent of mass coral bleaching has been incomplete.

“We know that mass coral bleaching is happening all over the world, but the majority of events are in places in the developing world where the capacity for monitoring them is limited,” said Simon Donner, associate professor in the department of geography and the Institute for the Oceans and Fisheries at UBC. “But no report doesn’t mean bleaching didn’t happen. It could be that the monitoring resources are not available or the reefs are too remote to visit.”

To build the database, the researchers scoured academic journals, government documents and other sources for reports of coral bleaching missing from an existing voluntary database commonly used by scientists. Then, they personally contacted local experts in places where they suspected coral bleaching had occurred.

So far, their database contains 79 per cent more reports than the voluntary database. The researchers also found two-thirds of the new reports show moderate or severe bleaching. Using the data, Donner and his team also created global maps showing areas where coral bleaching likely occurred between 1985 and 2010, despite the lack of previous reports.

The database will help scientists more accurately assess changes in the frequency of mass coral bleaching. It will also help predict future bleaching from ocean temperatures and allow scientists to test whether coral reefs are adjusting to rising ocean temperatures.

Read the full story here: https://www.sciencedaily.com/releases/2017/05/170501141623.htm?utm_source=feedburner&utm_medium=email&utm_campaign=Feed%3A+sciencedaily%2Fearth_climate%2Foceanography+%28Oceanography+News+–+ScienceDaily%29

The post New Coral Bleaching Database To Help Predict Fate Of Global Reefs appeared on Consortium for Ocean Leadership.


Consortium for Ocean Leadership

Global pension funds warm to India’s solar power ambitions

MUMBAI/NEW DELHI (Reuters) – Some of the world’s biggest pension funds, seeking long-term returns on green investments, are scouting for deals in India’s solar power sector, where Prime Minister Narendra Modi is targeting $ 100 billion in investment in the next five years.


Reuters: Environment

Drylands face potential threat under 2 °C global warming target

Limiting average global warming to 2 °C will not limit regional warming to the same levels. This study shows drylands have warmed, and will continue to warm, more than the humid lands that are primarily responsible for emissions.

Nature Climate Change doi: 10.1038/nclimate3275


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Global energy budget: Elusive origin of warming slowdown

Global surface warming was slower than expected in the first decade of the twenty-first century. Research attributes similar events to ocean or atmosphere fluctuations, but the subtle origins of these events may elude observational detection.

Nature Climate Change doi: 10.1038/nclimate3282


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The dark legacy of China’s drive for global resources

As China pursues a startling array of energy, mining, logging, agricultural, transport and other infrastructure projects on virtually every continent, it is having an unprecedented impact on the planet, writes William Laurance. It’s not that China is any worse than historic colonial powers – the difference is in the sheer scale and pace of environmental destruction, and the total lack of oversight under which Chinese mega-corporations operate.
Environment news & analysis, climate change reports –
The Ecologist

An observation-based constraint on permafrost loss as a function of global warming

Permafrost loss can be projected by considering its distribution against warming air temperatures. Using observations to constrain loss estimates, this study investigates loss under different levels of warming.

Nature Climate Change doi: 10.1038/nclimate3262


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