Black Blocs sprung from an anarchist movement in western Germany. Anti-capitalism and anti-government, the original Black Blocs marched against nuclear energy and neo-Nazis.
African governments are open to military aid from the West. However, Germany’s recent remarks about the transfer of weapons to countries battling militants, needs to be approached with caution.
Against the backdrop of the G20, Russia and the US have made a deal over Syria. But it's Putin who holds the winning hand.
Tariffs have been falling in recent years but countries are imposing other barriers to trade, affecting Australian consumers and businesses.
Merkel’s popularity at home and on the global stage continues to grow as she runs for a fourth term as chancellor.
While some countries were taking a major step toward the elimination of nuclear weapons, the US and its allies were focusing on ineffective, counter-productive sanctions against North Korea.
While the full details of the much-anticipated Trump-Putin meeting are not yet known, it appears Donald Trump gained little while conceding much.
Trump and Putin are already bickering and with Erdoğan making a fuss too, the German Chancellor will have to play a blinder for the summit not to fall apart.
Differences in attitudes toward globalisation makes cooperation between the world's leading economies extremely difficult.
The G20 will see new guidelines for how companies report the risks of climate change. This will allow investors to compare companies and make more informed decisions.
G20 meetings are usually bland, tightly-scripted affairs. Donald Trump has changed all of that with his retrenchment on climate change, free trade and internationalism.
The University of Canberra’s Michelle Grattan and Frances Shannon discuss the week in politics.
It's the end of the world (order) as we know it.
The G20 has stopped showing economic leadership at a time when risks are high. Australia can play a role in addressing this.
An expert report shows that the G20 countries are using their energy more efficiently. But there is still a long way to go.
If the G20 is to remain relevant in the quest for more inclusive and fair global governance, Africa offers an historic opportunity for collective action, despite the absence of the US under Trump.
Pittsburgh's post-industrial economic resurgence is promising, a historian of the region writes, but there's a reason President Trump highlighted the area in his speech exiting the Paris climate deal.
In its agenda to reform global economic governance the developing world should look for ways to extract some value from the G20.
As countries around the world deal with internal and international crises, the potential for faultlines to open is high.
Recent developments at the United Nations and the G-20 suggest that the well-known human rights to privacy and freedom of expression may soon be formally extended to online communications.