Theresa May slaps down Donald Trump demand to rewrite climate treaty in speech to UN

UK Prime Minister Theresa May has delivered a rebuke to Donald Trump over his demand to renegotiate the Paris Agreement on tackling climate change.

British Prime Minister Theresa May has delivered a rebuke to Donald Trump over his demand to renegotiate the Paris Agreement on tackling climate change.

In her keynote speech to the United Nations General Assembly in New York shortly before a private meeting with the US president, the PM called on all countries to "come together and defend" the rules-based system of international agreements and conventions such as the Paris accord and nuclear non-proliferation treaties.