Katy Long travelled across America in a quest to understand the country's immigration experience. She tells her story in this special feature, packed with photos and audio.
New research reveals that to meet the goal of ending extreme poverty in every country by 2030, donors need to increase aid – and target it to the poorest countries.
Our new vision builds on our strengths and challenges us to go further in providing the evidence, ideas and innovation needed to tackle the world’s most pressing issues.
