Oliver Conway

Still to come in the podcast...

How climate change is creating clean energy opportunities in China.

If there was a big red button that would just demolish the internet, I would smash that button with my forehead.

From the BBC, this is The Interface, the show that explores how tech is rewiring your week and your world.

It's about what technology is actually doing to your work, your politics, your everyday life.

And all the bizarre ways people are using the internet.

You're listening to the Global News Podcast.

More than 100,000 people have been killed in Sudan since the civil war began nearly three years ago.

But the UN says atrocities committed by one side, the paramilitary rapid support forces, bear the hallmarks of genocide.

A fact-finding mission says the RSF went on a three-day killing spree in the western region of Darfur after capturing the city of Al-Fasha following a brutal 18-month siege.

The UN report says civilians from non-Arab groups were killed, abused and raped by the largely Arab RSF.

Mona Rishmawi is one of the UN investigators.

The RSF has always denied allegations of genocide.

I heard more about the UN findings from our Africa correspondent, Barbara Platt-Husher.

And of course, the RSF grew out of the Janjaweed militia who were involved back then.

And is it likely that members of the RSF will ever be brought to justice?

Barbara Platt, ASHA Africa correspondent.

In the past year, China has installed more solar and wind power than the rest of the world put together.

The communist nation is still the world's biggest polluter, but for the first time, President Xi Jinping has pledged to reduce greenhouse gas emissions.

Analysts say they are already beginning to flatline.