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.
South Africa considers itself to be playing a key role in promoting the 'African Agenda' in continental and world affairs. But perceptions in the rest of Africa tell a different story.
We could be witnessing the beginning of globalisation going in reverse.
Boosting growth could be as simple as getting more women into the workforce.
The G20’s lack of leadership will continue to contribute to the current global economic malaise.
The RBA leaves rates on hold, Australia gets a GDP growth spurt from pre-election spending, and the IMF lays the groundwork for a lowering of global growth expectations.
With foes of globalization seeing their voices trumpeted by Brexit and Donald Trump's candidacy, the G20 needs to act as a counterweight that sounds a clear vision for a connected future.
Britain's prime minister keeps saying 'Brexit means Brexit' but exactly what this looks like is far from clear.