Category Archives: EARTH WATCH

Updates from Georgia Tech

Growing Pile of Human and Animal Waste Harbors Threats, Opportunities
By Josh Brown – As demand for meat and dairy products increases across the world, much attention has landed on how livestock impact the environment, from land usage to greenhouse gas emissions.

Now researchers at Georgia Institute of Technology and the Centers for Disease Control and Prevention are highlighting another effect from animals raised for food and the humans who eat them: the waste they all leave behind.

In a paper published November 13 in Nature Sustainability, the research team put forth what they believe is the first global estimate of annual recoverable human and animal fecal biomass. In 2014, the most recent year with data, the number was 4.3 billion tons and growing, and waste from livestock outweighed that from humans five to one at the country level.

“Exposure to both human and animal waste represent a threat to public health, particularly in low-income areas of the world that may not have resources to implement the best management and sanitation practices,” said Joe Brown, an assistant professor in Georgia Tech’s School of Civil and Environmental Engineering. “But estimating the amount of recoverable feces in the world also highlights the enormous potential from a resource perspective.” more>

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The World Order Is Starting to Crack

By Stewart Patrick – When Donald Trump was first elected U.S. president, foreign observers hoped that he would moderate his more outrageous campaign positions as the practicalities of governing socialized him to adopt more conventional stances. Failing that, they hoped to contain the damage until the U.S. electorate returned to its senses. Trump’s scythe has sliced through these thin reeds.

For a onetime chaos candidate, Trump has been remarkably methodical in his efforts to destroy the liberal international order.

Stunned U.S. allies are now adapting to their new normal by taking steps previously unimaginable. They are hedging their bets in dawning recognition that the America of old may never return, regardless of who succeeds Trump. They are pursuing strategic autonomy, seeking to decouple from an unpredictable United States. And they are considering how to restore some semblance of international cooperation in a world left rudderless in the wake of the U.S. abdication of global leadership.

Collectively, Trump’s actions have sent U.S. allies reeling, shaking their long-standing faith in the West as a community of shared values, interests, and institutions. In response, they are working with China to safeguard globalization, expanding their own strategic autonomy vis-à-vis Washington, and grasping to defend what remains of the open world from the depredations of its erstwhile creator.

Trump’s trade protectionism has done the seemingly unimaginable. It has allowed mercantilist China—which flagrantly steals intellectual property, restricts foreign investment, and protects entire sectors from foreign competition—to portray itself as a bastion of multilateral trade. more>

Anthropic arrogance

By David P Barash – Welcome to the ‘anthropic principle’, a kind of Goldilocks phenomenon or ‘intelligent design’ for the whole Universe. According to its proponents, the Universe is fine-tuned for human life.

The message is clearly an artificial one and not the result of random noise. Or maybe the Universe itself is alive, and the various physical and mathematical constants are part of its metabolism. Such speculation is great fun, but it’s science fiction, not science.

It should be clear at this point that the anthropic argument readily devolves – or dissolves – into speculative philosophy and even theology. Indeed, it is reminiscent of the ‘God of the gaps’ perspective, in which God is posited whenever science hasn’t (yet) provided an answer.

Calling upon God whenever there is a gap in our scientific understanding may be tempting, but it is not even popular among theologians, because as science grows, the gaps – and thus, God – shrinks. It remains to be seen whether the anthropic principle, in whatever form, succeeds in expanding our sense of ourselves beyond that illuminated by science. I wouldn’t bet on it. more>

How evil happens

BOOK REVIEW

Passions and Tempers: A History of the Humours, Author: Noga Arikha.
Eichmann in Jerusalem, Author: Hannah Arendt.
The Science of Evil: On Empathy and the Origins of Cruelty, Author: Simon Baron-Cohen.
Home Fire, Author: Kamila Shamsie.

By Noga Arikha – The ‘sapiens’ in Homo sapiens does not fully describe our species: we are as violent as we are smart.

This might be why we are the only Homo genus left over in the first place, and why we have been so destructively successful at dominating our planet. But still the question nags away: how are ordinary people capable of such obscene acts of violence?

Today, biology is a powerful explanatory force for much human behavior, though it alone cannot account for horror. Much as the neurosciences are an exciting new tool for human self-understanding, they will not explain away our brutishness. Causal accounts of the destruction that humans inflict on each other are best provided by political history – not science, nor metaphysics. The past century alone is heavy with atrocities of unfathomable scale, albeit fathomable political genesis.

The social neuroscientist Tania Singer at the Max Planck Institute in Leipzig in Germany defines empathy as the ability to ‘resonate’ with the feelings of the other. It develops from babyhood on – as imitation at first, then joint attention – into the ability to adopt the point of view of another, along with a shift in spatial perception from self to other, as if one were literally stepping into another’s shoes.

This requires an ability to distinguish between self and other in the first place, an aspect of the so-called ‘theory of mind’ that one acquires over the first five years of life.

But while empathy ensures the cohesion of a group or a society, it is also biased and parochial. Revenge thrives on it. more>

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Breaking Down Yemen’s Escalating Military Strife

By Kelly McFarland – Yemen lies on the southeastern edge of the Arabian Peninsula, buffered by the Red Sea and the Gulf of Aden, and bordered by Saudi Arabia and Oman. About 29 million people call Yemen home, and they are the poorest in the Middle East.

Portions of the nation have a history of British and Ottoman colonial rule, it was divided into two separate countries, and two civil wars—on top of the current one—have been waged since the early 1960s.

To understand the current conflict, which began in January of 2014, it’s necessary to know something about the Huthis.

The Huthis are a Zaydi Shiite political movement. Zaydi Shiite Muslims are around a quarter of Yemen’s population. Zaydis led much of Yemen until the 1962 overthrow of the Yemeni ruler. The government has since repressed their home region economically and culturally. More recently, the government has charged that the Zaydis are proxies for Iran and an existential threat.

As a result of the popular uprisings unleashed by the Arab Spring, an internationally backed transition removed Yemen’s autocratic President Ali Abdullah Saleh in 2011. The transition consisted of what was called a “National Dialogue,” inclusive of all parties, that would provide recommendations for reforms, elections, and the eventual writing of a new constitution.

The Huthis initially participated, but became disillusioned.

The war has created a major humanitarian disaster with no foreseeable end. more>

Colliding Worlds: Donald Trump And The European Union

By Michael Cottakis – US President Donald Trump is not naturally inclined towards the EU. The EU represents the antithesis of what Trump aspires for in himself, or of the value he sees in others. For the President, the EU is an essentially effete project – a civilian power that likes to see itself as human rights based and collegiate, but with no hard power of its own. It is not a real force in the world because it cannot project military power, or speak with a single, unified voice, putting its interests first.

A defensive Brussels, reeling from recent crises and keen to assert itself as an important international actor may, with provocation, respond.

The European Commission tends to respond to Trump’s provocations with smugness and belittlement. Other European leaders are cannier and understand better the risks of such an approach. Emmanuel Macron has adopted the guise of the EU’s chief diplomat to the US, speaking regularly with Trump. Climate change, Iran, trade policy and Syria have all been on the French President’s agenda. While discussions remain relatively cordial, little impact is being made in policy terms.

The international system is greatly changed. A battle of new world views, political and socio-economic models is at play in which new authoritarian values gain ground at the expense of traditional ‘western’ values. The international influence of the US is determined not only by the number of its weapons, or the power of its commerce. Traditionally, it is a consequence also of its power of attraction, the emancipatory quality of its core values – democracy, human rights, economic openness. These values, and their adoption by third countries, have helped drive the world to levels of prosperity never before experienced.

These achievements ought not to be squandered. more>

Local Solutions for Global Problems

By Sébastien Turbot – Historically, cities have played a marginal role in global debates. In the United States, for example, early cities were rife with corruption and factionalism; local politics was messy enough. But today’s urban centers are economically stronger and politically bolder. Twenty-first-century cities’ determination to act in their own interests became clear in late 2017, when more than 50 US mayors pledged to meet the commitments of the 2015 Paris climate agreement – directly challenging President Donald Trump’s withdrawal from the deal.

Even without a seat at the table (G7), many of the world’s megacities – powered by strong human capital, competitive markets, and widespread appeal – are already working to build a more progressive, inclusive, and sustainable future. From Buenos Aires to Tokyo, city leaders are making their concerns known globally – often irrespective of national agendas.

Small and mid-sized cities are also raising their international profiles. By investing in “smart” and “resilient” urban planning, governments from Bordeaux in France to Curitiba in Brazil are strengthening their brand identities and luring talent, investment, and businesses from around the world.

Cities power growth through innovation, trade, and exchange. And city services are often more visible to citizens than federal aid; consider, for example, who responds during a traffic accident or a natural disaster.

To be sure, today’s cities face many challenges. more>

Updates from Georgia Tech

Human Factors Research Helps Accelerate Mission Planning
By John Toon – The key to a successful flight mission is planning – sometimes several hours of it. Georgia Tech Research Institute (GTRI) specialists in human factors and human computer interfaces are working with NAVAIR PMA-281, Strike Planning and Execution Systems in Patuxent River, Maryland, to streamline the current mission planning process and identify user interface requirements supporting multi-domain mission management in next-generation naval planning capabilities.

With guidance from the GTRI researchers, the project will improve usability of the mission planning software tools, creating a more consistent and intuitive screen design that’s easier to learn and more logical to follow. This effort could benefit all Department of Defense (DoD) agencies for collaborative mission planning.

“We are working with Navy and Marine Corps aviators to identify areas in mission planning where work-flow can be streamlined, reducing the time required to mission plan,” said Marcia Crosland, project director for GTRI’s Joint Mission Planning System (JMPS) User Interface Design and Usability efforts. “Our task has been to define the user interface concepts and decision-making tools to help reduce the time required for mission planning. We’ve created detailed designs and specifications to direct current and future development of mission planning systems.” more>

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Four things that matter more than the Paris Agreement

In a new report, “Undiplomatic Action: A practical guide to the new politics and geopolitics of climate change,” David Victor and Bruce Jones write:

“Without confidence in new technologies and the policy and investment support that follows from that confidence, even the most advanced and elaborated global diplomatic agreements can only produce an ever-wider chasm between stated goals and realistically achievable outcomes.”

They contend that “real world” actions on the ground, not global goals, will drive energy transitions at the local level and in the private sector.

In the paper, they outline four key factors they believe matter even more than the global agreement:

  1. Facilitate leadership through small groups
  2. Focus on near-term emissions reductions
  3. Invest in technological innovation
  4. Demonstrate success and enable better governance

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Source: Four things that matter more than the Paris Agreement

Updates from Georgia Tech

Robot Monitors Chicken Houses and Retrieves Eggs
By John Toon – “Today’s challenge is to teach a robot how to move in environments that have dynamic, unpredictable obstacles, such as chickens,” said Colin Usher, a research scientist in GTRI’s Food Processing Technology Division.

“When busy farmers must spend time in chicken houses, they are losing money and opportunities elsewhere on the farm. In addition, there is a labor shortage when it comes to finding workers to carry out manual tasks such as picking up floor eggs and simply monitoring the flocks. If a robot could successfully operate autonomously in a chicken house 24 hours a day and seven days a week, it could then pick up floor eggs, monitor machinery, and check on birds, among other things. By assigning one robot to each chicken house, we could also greatly reduce the potential for introductions of disease or cross-contamination from one house to other houses.”

The autonomous robot is outfitted with an ultrasonic localization system similar to GPS but more suited to an indoor environment where GPS might not be available. This system uses low-cost, ultrasonic beacons indicating the robot’s orientation and its location in a chicken house. The robot also carries a commercially available time-of-flight camera, which provides three-dimensional (3D) depth data by emitting light signals and then measuring how long they take to return. The localization and 3D data together allow the robot’s software to devise navigation plans around chickens to perform tasks. more>

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