大象传媒

It's over to the US Senate now in the impeachment proceedings against Donald Trump - we look at how that will work and whether the latest accusation against the President that he was lying when talking about dealings with Ukraine will make a difference.

As Nasa says the last decade was the warmest ever recorded, the veteran natural film-maker David Attenborough warns the world that action is needed now.

And amidst the devastation caused by Australia's sweeping bush fires is one bit of good news: we look at how the world's only wild pre-historic tree has been saved.