UN agencies responded on Tuesday to President Trump’s executive orders ending US membership of the World Health Organization (WHO) and its adherence to the Paris Climate Agreement, highlighting the massive potential negative impact on public health and efforts to curb global warming.UN agencies responded on Tuesday to President Trump’s executive orders ending US membership of the World Health Organization (WHO) and its adherence to the Paris Climate Agreement, highlighting the massive potential negative impact on public health and efforts to curb global warming. UN News – Global perspective Human stories