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A wastewater injection well in Coyle, Oklahoma. Increases in wastewater injection at the underground can destabilise pre-existing faults, setting off earthquakes. J. Berry Harrison III / News 9 Oklahoma

Earthquakes caused by industrial activities: what are the risks and how can they be reduced?

As global demand for energy and mineral supplies increases worldwide, the number of man‑made earthquakes is expected to rise. That increases the importance of understanding connection between the two.
In this 2013 photo, a resident of Tijuana, Mexico, holds onto the bars that make up the border wall separating the U.S. and Mexico near San Diego. President Donald Trump is proposing to dramatically expand the wall. (AP Photo/Gregory Bull, File)

How walls like Trump’s destroy the past and threaten the future

Donald Trump's proposed border wall will destroy historic and ancient sites, violate the rights of Indigenous populations and cause misery to those seeking a better life. What's more? It won't work.
Thirsty? Perhaps a cool glass of lemonade would hit the spot.

What comes after the lemonade stand? Fuelling self‑efficacy and intentions in our next generation of entrepreneurs

Entrepreneurship is a matter of society. Schools should be engaged to coach students, starting at an early age, by working on their perception of self-efficacy and entrepreneurial intention.
Perth has long had many fine parks but is losing vegetation cover in a band of increasingly dense development across the city. Ruben Schade/flickr

We’re investing heavily in urban greening, so how are our cities doing?

A new study shows major Australian cities are suffering an overall loss of green space – although some areas are doing better than others.
Trucks cross the friendship bridge connecting China and North Korea on Sept. 4, 2017. Trump has threatened to cut off trade with countries that deal with North Korea. AP Photo/Helene Franchineau

Why UN sanctions against North Korea’s missile program failed

The international community has been trying to stop North Korea from developing long-range missiles for decades. So what went wrong?
Voters might be quite rational in refusing to give the green light to those who wield power and benefit from the status quo. Mats Edenius/flickr

We frown on voters’ ambivalence about democracy, but they might just save it

Ambivalence among voters is reason to think about how democracy is working for us as a community. To keep democracy alive we need to be sceptical about the exercise of power and keep it in check.
Sun Brockie/flickr

Global series: Emerging Cities

Cities have always been more than a dense collection of people. They are labs of innovation, hotbeds of crime and inequality, architectural stunners, decaying ruins and everything in between.
Is public relations simply a more insidious form of fake news? Nick Lehr/The Conversation via www.shutterstock.com

Putin’s flacks: Russia’s stealth public relations war

Russia has seized upon loopholes in lobbying laws, hiring PR firms to influence American public opinion and policy in ways that advance Russia's strategic interests.
Climate crusaders: President Macron, right, with Paris Mayor Anne Hidalgo and former New York City mayor Michael Bloomberg after a June 2 meeting at the Elysee Palace, following the US withdrawal from the Paris agreement. Christophe Petit Tesson/Reuters

Cities rally around the Paris deal, a reminder that global problems can have local solutions

International problems and local policies are integrally interwoven, whether the nationalists in Washington like it or not.
Police in Istanbul,Turkey disperse gay pride demonstrators with a water cannon in June 2015. AP Photo/Emrah Gurel

Most countries score an F on our LGBT human rights report card

Many in the US are celebrating LGBTQ rights for Gay Pride Month. But data show that most countries, including the US, need to do much more to protect sexual minorities.

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