Two energy and climate policy experts take a closer look at the Leaders Summit on Climate, the US pledge and today's industrial reality.
The genius of the Paris climate agreement was getting major oil producing countries to agree to a target, but they still have widely different views of energy's future.
Both Russia and China are signalling they will only deal with the West where and when it suits them. They are also increasingly comfortable working together as close partners.
There were messages for friend and foe alike, but Biden was strangely silent on Brexit.
A scholar of cyber conflict sets out why retaliation doesn't prevent future attacks, and explains what might have a better chance.
Calls to keep talking are getting louder out of fear of escalation and ultimately war – but why are diplomatic relations so difficult for Nato and Russia?
A round-up of expert analysis from across the world on Biden's win.
Russia may not be a foreign policy priority for the incoming Biden administration. But its promise to foreground democracy will put the Kremlin on edge.
How would Joe Biden engage a world upended by Trump? A diplomacy expert explains what Biden's history says about his foreign policy priorities.
Putin's rule has defined what political power means in post-Soviet Russia, with important consequences for the rest of the world.
The extensive media coverage of the Helsinki meeting was almost universally critical of Trump, which overshadowed the chance to ask more meaningful questions about how the world deals with Russia.
Vladimir Putin may well have something on Donald Trump. But their close ties could also be about oil prices and Trump's efforts to get Russia to ends it alliance with China.
Interpreters' notes are used as a short-term memory aid, not a full record of a discussion.
US intelligence assessments have concluded that Russia intervened in the 2016 election to some degree. Trump prefers the Russian version of events.
After a week spent trampling the international order, Trump capped his performance by giving Vladimir Putin the benefit of the doubt.
Vladimir Putin is a masterful politician. The US president he's dealing with is not.
The interest and theatre around the Helsinki meeting may be high, but meaningful negotiation is seriously restricted for many reasons.
Despite months of speculation that Donald Trump might fire him, Robert Mueller and his investigation are not going away.
Stepping back from the current crisis in US-Russia relations, a Soviet expert asks: what's in store for Russia in the long term, and is a peaceful transition possible when Putin's gig is up?
While the full details of the much-anticipated Trump-Putin meeting are not yet known, it appears Donald Trump gained little while conceding much.