Between sessions on the value of creating a physical expression of digital brands (Evernote socks) and Bitcoin, this year’s South by South West (SXSW) in Austin, Texas, featured newcomers from a different background: the U.S. National Intelligence Council.

In a commencement speech at the U.S. Coast Guard Academy today, President Obama said “climate change constitutes a serious threat to global security, an immediate risk to our national security, and, make no mistake, it will impact how our military defends our country.”

2015 is a major test for the international system. The Sustainable Development Goals are expected to be adopted in New York in September and expectations for the UN Climate Summit in Paris are higher than perhaps any other time. “It is a critical year,” said Alan Hecht, director for sustainable development for the U.S. Environmental Protection Agency, “but our challenge is years of sustainable development. How do we take actions today, how do we prepare for the future in such a way that we will achieve a more sustainable outcome?” [Video Below]

From smoggy skies to rancid rivers and staggering slums, environmental challenges loom large for Asia. While much has been said about the role of government and NGOs in achieving a sustainable future, Mark Clifford, executive director of the Asia Business Council, believes companies are an indispensable but often overlooked part of the solution.

It’s a bit late, but the second-ever Quadrennial Diplomacy and Development Review (QDDR) is finally here. And it’s a good thing – it’d be a shame if this effort to present a coherent strategic narrative of U.S. diplomacy and development, which was started by Secretary of State Clinton in 2010, petered out.

Hundreds of Yemenis have been killed since Houthi rebels overthrew President Abdu Rabu Mansour Hadi at the beginning of April. The instability next door has led Saudi Arabia to intervene with a bombing campaign and, most recently, impose a blockade of Yemen’s port cities to cut off what they claim is Iranian resupply of rebels. Besides blocking weapons though, the blockade is also having a major impact on food security and food assistance, and is even affecting livelihoods in Somalia.