President Obama has announced several rounds of economic sanctions on Moscow, acting with European allies. Here are answers to some simple questions about sanction specifics.
Climate change requires a rapid and dramatic decarbonization of the global energy supply, according to a new report. It comes as world leaders aim to learn from past failures in forging an international pact on climate change at international talks next year in Paris.
UN Millennium Development Goals report shows how 'bold targeting' has reduced the gap between boys and girls attending primary school, malaria mortality, and the number of people living without improved water sources.
Fifty governments and other stakeholders have promised to focus on good nutrition, especially for maternal, newborn, and child health. It is part of a movement called the Movement for Scaling Up Nutrition.