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How soon can we go carbon zero?

To stop global warming, we need to cut CO2 emissions. So how soon can we go carbon zero?

• 23 mins

Why are immigrants under attack in South Africa?

In the so-called 鈥渞ainbow nation鈥�, why are foreigners so often subject to violence?

• 24 mins

What can we do about the world鈥檚 mental health problem?

The World鈥檚 mental health is suffering so what can we do about it?

• 23 mins

Why is there a backlash against climate policies?

A year on from the 鈥済ilets jaunes鈥� protests, are environmental policies in trouble?

• 24 mins

Can we protect our elections from social media manipulators?

Who can you trust in the world behind the screen?

• 23 mins

Should we ban billionaires?

Should extreme wealth and the system that enables billionaires to retain money be curbed?

• 23 mins

Is Nato obsolete?

With the US and French presidents questioning its future, Nato is in crisis

• 23 mins

Can we eradicate polio?

Despite heroic efforts to vaccinate against this crippling disease, why does it persist?

• 23 mins

Will humans become extinct by the end of the century?

How precarious is our civilisation and what can be done to stop a global catastrophe?

• 23 mins

Why was Qasem Soleimani killed?

How serious an enemy to the US was Qasem Soleimani, and why was he killed?

• 22 mins

Why does Ukraine have such a corruption problem?

How did Ukraine鈥檚 chequered past lead to the impeachment of president Trump?

• 24 mins

How did Trump get into trouble with Ukraine?

How did Trump鈥檚 personality and way of dealing with people lead to a trial in the Senate?

• 23 mins

Is recycling broken?

Were we wrong to think that recycling was the answer to our waste problem?

• 23 mins

Could India鈥檚 Muslims become second class citizens?

Could a new law in India be a step towards making Muslims second class citizens?

• 23 mins

Will a pandemic ever kill millions again?

Global health pandemics have killed millions in the past. Could one do so again?

• 23 mins

Why are trade deals so hard to do?

As Britain tries to negotiate multiple trade deals, why do they take so long?

• 23 mins

Why don鈥檛 we care about facts?

We believe facts if we want to, but dismiss them if we don鈥檛 like them. Why?

• 23 mins

Have our climate models been wrong?

Climate models are vital but have some concentrated too much on extreme scenarios?

• 23 mins

How China turned the tide with coronavirus

China鈥檚 infection rate for coronavirus has dropped dramatically. What did they do?

• 23 mins

Why did the USA fail in its initial coronavirus response?

'It鈥檚 a failing, let's admit it鈥� says top US health official, Dr Anthony Fauci. Why?

• 23 mins

Coronavirus: What can the world learn from South Korea?

Without a lockdown, South Korea has had great success against Covid-19. How?

• 23 mins

Why is it taking so long to develop a Covid-19 vaccine?

The race is on for the world鈥檚 scientists to develop an effective Covid-19 vaccine

• 23 mins

Can Africa cope with coronavirus?

With poorer economies and less developed healthcare, how will Africa deal with Covid-19?

• 23 mins

How do you help people stay rational in a pandemic?

People weren鈥檛 prepared for life in lockdown. How can we stay level headed in a pandemic?

• 23 mins

How do we come out of the lockdown?

Some nations are beginning to tentatively lift lockdowns. What's the best way to do it?

• 23 mins

Why are people attacking 5G mobile phone masts?

Tanya Beckett asks why people are attacking mobile phone masts.

• 23 mins

Why are so many ethnic minorities dying in the UK and US?

Data in both the UK and US suggests they may be at greater risk of catching Covid-19

• 23 mins

Why does Germany have such a low number of deaths from Covid-19?

Kavita Puri asks why Germany has such a low number of deaths from Covid-19?

• 23 mins

How will the world pay for Covid-19?

How will governments fund the huge sums needed to get through the coronavirus crisis?

• 23 mins

How far can the Chinese government be blamed for Covid-19?

What could the Chinese government have done differently to prevent the global pandemic?

• 23 mins