In the second half of April 2020, on 16 April, the Secretary-General launched a new UN report noting that the looming global recession due to the COVID-19 pandemic could cause hundreds of thousands of additional child deaths in 2020, reversing recent gains in reducing global infant mortality. On 19 April, the Secretary-General sent a video message in support of the UN-supported 'One World: Together At Home' event. On 21 April, he pledged the UN's continued support to the Alliance of Small Island States on climate change and the socioeconomic effects of COVID-19. 22 April: On International Mother Earth Day, the UN Secretary flags the COVID-19 pandemic as "an unprecedented wake-up call" and offers six ways to help the climate. On 23 April, the Secretary-General released a new policy brief on shaping an effective, inclusive response to the COVID-19 pandemic, echoed his February 'Call to Action' to put human dignity and the Universal Declaration of Human Rights at the core of the UN's work, and warning that the coronavirus pandemic was "fast becoming a human rights crisis". On 28 April, he addressed the Petersberg Climate Dialogue in Berlin, part of the COP26 process, stating that the parallel threats of COVID-19 and climate change require "brave, visionary and collaborative leadership" and noting that the Sustainable Development Goals are under threat.