US President Donald Trump will attend a breakfast meeting on Wednesday with Apple Chief Executive Tim Cook and other business leaders on the sidelines of the annual meeting of the World Economic Forum in Davos, Switzerland, according to sources familiar with the situation.

Teen climate crusader Greta Thunberg delivered a thought-provoking speech at the World Economic Forum in Davos, Switzerland, on Tuesday urging an immediate action on climate change as she reminded the world: "Our house is still on fire."

President Donald Trump tore into environmental "prophets of doom" at the Davos forum Tuesday, rejecting fiery warnings from teenage campaigner Greta Thunberg, and lauding the "unprecedented" US economy just hours ahead of his impeachment trial back home.