Extreme weather events continue to grow more frequent and intense in rich and poor countries alike, not only devastating lives, but also infrastructure, institutions, and budgets - an unholy brew which can create dangerous security vacuums.

On this International Day for the Abolition of Slavery let us reaffirm the inherent dignity of all men, women and children. And let us redouble our efforts to build societies in which slavery truly is a term for the history books.

Three decades into this crisis, let us set our sights on achieving the "three zeros" zero new HIV infections, zero discrimination and zero AIDS-related deaths.

It is only natural that people's wishes and aspirations should be realized by the leaders of the region. As this wind of change blows, it is up to the leaders to seize this opportunity to look for the better future for their own people through bold reforms before it is too late, before the people are forced to take action.

For my generation, coming of age at the height of the Cold War, fear of nuclear winter seemed the leading existential threat on the horizon. But the danger posed by war to all humanity-and to our planet-is at least matched by climate change.

Saving our planet, lifting people out of poverty, advancing economic growth... these are one and the same fight. We must connect the dots between climate change, water scarcity, energy shortages, global health, food security and women's empowerment. Solutions to one problem must be solutions for all.

From the Balkans to Africa, from Asia to the Middle East, we have witnessed the weakening or absence of effective governance leading to the ravaging of human rights and the abandonment of longstanding humanitarian principles. We need competent and responsible states to meet the needs of "we the peoples" for whom the UN was created. And the world's peoples will not be fully served unless peace, development and human rights, the three pillars of the UN, are advanced together with equal vigour.