On Earth Day weekend, the Smithsonian will convene the first Earth Optimism Summit, a three-day event featuring more than 150 scientists, thought leaders, philanthropists, conservationists and civic leaders, which will highlight what is working in conservation and how to scale up and replicate it. The summit is organized by the Smithsonian Conservation Commons, a team of conservation experts from the Smithsonian Conservation Biology Institute, National Zoological Park, National Museum of Natural History, Smithsonian Tropical Research Institute and the Smithsonian Environmental Research Center. The Conservation Commons brings researchers together to tackle complex conservation problems on a global scale.
"TAPESTRY: The Faces of AIDS" is an ongoing multimedia project that documents the compelling stories of people who are living and thriving in a new and different era of the AIDS epidemic -- an era that is less about death and more about life.
With the sudden bang of a gavel, representatives of 195 nations reached a landmark accord that will, for the first time, commit nearly every country to lowering planet-warming greenhouse gas emissions to help stave off the most drastic effects of climate change.
More than 31 people killed and many seriously injured in attacks at Brussels international airport and a city metro station. Twin blasts hit Zaventem airport at 07:00 GMT, killing 11 and injuring 81, Belgium's health minister said. Another explosion struck Maelbeek metro station an hour later with 20 people killed, the Brussels mayor said. Belgium has raised its terrorism threat to its highest level. Three days of national mourning have been declared.
The surge of refugees fleeing Syria and other war-torn regions is putting immense pressure not only on Europe but also the United States, as the Obama administration faces calls to take a more active role in the humanitarian crisis.
At the same time, some lawmakers on Capitol Hill are warning that loosening immigration rules to take them in would pose a serious security risk. For the Obama administration – and the one that succeeds it – there are no easy answers.