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October 2017

Geophysical potential for wind energy over the open oceans

Anna Possner and Ken Caldeira

Focusing on the North Atlantic region, we provide evidence that there is potential for greater downward transport of kinetic energy in the overlying atmosphere. As a result, wind power generation over some ocean areas can exceed power generation on land by a factor of three or more.

PNAS

An easier way to tell fossil fuels from biofuels

By Deirdre Lockwood

For those seeking carbon credits for selling or using biofuels, it’s important to know that the fuel actually came from plants that were recently alive, and not from fossil fuels, which are made of plant matter that’s been dead for hundreds of millions of years. Prototype laser absorption spectrometer could make radiocarbon analysis less expensive.

CEN

Long-term pattern and magnitude of soil carbon feedback to the climate system in a warming world

J. M. Melillo et. al.

It is still not clear how global warming will affect the global carbon cycle, either in terms of the magnitude of the effect or even its sign. Help in answering that question will come from long-term field-based experiments designed to explore carbon cycle-climate feedbacks in an ecosystem context

Science

Making an Economic Case for Climate Action

By Tharanga Yakupitiyage

It’s not about ideology, it’s about good business sense, the former president of the American Association for the Advancement of Science (AAAS) and the report’s co-author James McCarthy told IPS. “Many people say that they will not have the discussion because they are not convinced of the science—well then, let’s just look at the economics, let’s look at what it is costing to not have that discussion,” he continued.

IPS

Why the 97% climate consensus is important

Dana Nuccitelli, John Cook, Sander van der Linden, Tony Leiserowitz, Ed Maibach

Some have argued that consensus messaging is counter-productive. Here’s why they’re wrong.

The Guardian

Ethanol from trashy sources advances

By Melody M. Bomgardner

Firms turn to garbage and wheat straw to make the fuel alcohol. Enerkem says it is successfully producing ethanol from nonrecyclable or noncompostable trash at a nearby facility it first turned on back in 2014. At Enerkem’s plant, trash is gasified and then converted to methanol using catalysts. A separate on-site process transforms the methanol to ethanol.

CEN

Decarbonization unique to cities

Nadine Ibrahim

Strategies that reduce fossil-fuel use can achieve both global carbon mitigation and local health-protection goals. Now research shows the dual benefits of compact urban design and circular economy policies in Chinese cities.

Nature Climate Change

Limiting global warming to 1.5 °C may still be possible

Jeff Tollefson

Analysis suggests that researchers have underestimated how much carbon humanity can emit before reaching this level of warming.

Nature

Well below 2 °C: Mitigation strategies for avoiding dangerous to catastrophic climate changes

Yangyang Xu and Veerabhadran Ramanathan

The historic Paris Agreement calls for limiting global temperature rise to “well below 2 °C.” Because of uncertainties in emission scenarios, climate, and carbon cycle feedback, we interpret the Paris Agreement in terms of three climate risk categories and bring in considerations of low-probability (5%) high-impact (LPHI) warming in addition to the central (∼50% probability) value. The current risk category of dangerous warming is extended to more categories, which are defined by us here as follows: >1.5 °C as dangerous; >3 °C as catastrophic; and >5 °C as unknown, implying beyond catastrophic, including existential threats.

PNAS
This is how much of your life air pollution is stealing from you based on where you live
Echo Huang

Air pollution is the single largest environmental health risk humans face, according to the World Health Organization, but what does that mean for you?

QUARTZ

Global fingerprints of sea-level rise revealed by satellites

Rachael Lallensack

Geological processes send more meltwater from glaciers and ice sheets to Earth’s mid-latitudes.

Nature

Fires, droughts and hurricanes: What’s the link between climate change and natural disasters?

By Amina Khan

With Hurricane Irma smashing into Florida so soon after Hurricane Harvey flooded southeastern Texas — and as wildfires burn through the western United States — extreme events have been hitting the U.S. from all sides. To what extent does climate change influence them? –LA Times

LA Times

Urban Trees Save Megacities $500 Million a Year

E360 DIGEST

Trees in urban areas save megacities more than $500 million a year in public health costs, energy expenses, and environmental protection, according to a recent study in the journal Ecological Modeling.

Yale 360

The Window Is Closing to Avoid Dangerous Global Warming

By Jean Chemnick

There’s a 50 percent chance that temperatures will rise 4 degrees Celsius under a business-as-usual scenario

Scientific American



MARIO MOLINA CENTER FOR STRATEGIC STUDIES ON ENERGY AND THE ENVIRONMENT
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