Delegates poured in from around the world into the iconic General Assembly Hall at the United Nations. There was a palpable sense of excitement in the air.
While the major overarching objective is the eradication of poverty, the SDGs cover a lot of ground, including changing unsustainable (and promoting sustainable) patterns of consumption and production, and protecting and managing the natural resource base.
Every day, for more than two years now, the world's poorest people risk their lives to escape from horror and reach the "paradise" of Europe. Many of them die on the way, in Africa, in the Mediterranean, or in the Channel Tunnel where they are crushed by the wheels of trucks.
As the Sustainable Development Goals prepare to pick up where the Millennium Development Goals left off, what sort of changes can we anticipate in how the goals will be implemented by member states, civil society leaders, NGOs, and other organizations around the world
This generational change in attitude is critical to meeting the global development agenda post 2015, and it extends beyond the compounds of the Youth Assembly at the United Nations - as more youth in different parts of the world continue to play a critical role in challenging the status quo.
Challenges like climate change and those raised by the SDGs are too systemic, interrelated and complex for any single nation, organization or sector to address alone. Some of the greatest past successes as well as some of the most promising upcoming opportunities to address them stem from collaboration across different players and sectors.
It is no coincidence that in the wake of the Arab Spring, investment in youth-related initiatives, especially related to employment, has increased sharply.
As horrifying as the Hiroshima and Nagasaki bombs were, the quantum leap forward in destructive power afforded by the hydrogen bomb made our situation far more perilous. We've been fortunate that virtually unthinkable destruction has not ensued since the nuclear arms race of the 1950s.
How will this new tool be used? How will it reach those in need? Rapid availability of the vaccine is key and as with all health technologies, access to and delivery of the drug will depend on the capacity of the very health systems that have been decimated by Ebola.
Most importantly, let's remember that someone, somewhere, is praying to live the miserable and stressful lives we think we are leading.
So far forest partnerships are not featuring prominently in climate discussions heading into Paris. The talks are focusing on what each country can do by itself, instead of also looking at what more we can do by working together. This is a miscalculation.
Hostility between Afghanistan and Pakistan has been ongoing now for about four decades, whereas hostility between Pakistan and India has been present since 1947. The proxy war between between India and Pakistan lies in Afghanistan.
Maurizio has learned so many lessons over the course of his career. He calls the most important lessons, the "three A's." "Appropriateness is the first A, affordability is the second A, which means make it reasonable in cost, and the third A is access."
There are many watches and clocks from Hiroshima with their hands frozen to mark the moment the first nuclear weapon was used. But Shinji's is likely the only one that lost its hands, but can still be read.
Consensus reached on ambitious new Sustainable Development Agenda to end poverty by 2030 and universally promote shared economic prosperity, social development and environmental protection.
Women's groups were deeply involved in this process every step of the way because much was, and is, at stake for the girls of today and tomorrow. If this agenda is successfully carried out, by 2030 fewer girls will experience unwanted pregnancy and become infected with HIV.