Scenario planning has a long history. The RAND Corporation employed it heavily in planning for potential U.S. responses to nuclear war and 16^th century Spanish Jesuit theologians pointed to the idea as proof of free will. But in many respects this powerful set of methodological tools for managing complexity and uncertainty remains underused, especially beyond the defense, intelligence, and business communities.

According to recent polling, climate change is seen as the single most threatening international challenge around the world, and there’s evidence that all that worry is taking a psychological toll. Adding to droughts, floods, extreme weather, and die-offs, psychologists are observing higher levels of anxiety, depression, and post-traumatic stress disorder in certain areas and professions. Even people who do not actively stress about global warming or view it as a major threat may still suffer psychological trauma from its effects.

An advisory released this August by the U.S. National Weather Service warned this year’s El Niño could be among the strongest ever recorded, lasting well into the first few months of 2016.

Some of the world’s most crucial ecosystems can also be found in the most conflicted areas. The most progressive peace agreements in these circumstances sometimes include conservation protections, but fewer still include women – and that’s a an article in Peace Review by Conservation International’s Brittany Ajroud, Kame Westerman, and Janet Edmond.

Yesterday was International Youth Day, and governments, donors, and public health professionals are paying more attention to the unique needs of the world’s young people and the importance of their civic engagement and participation. Unfortunately, most young people do not have access to basic sexual and reproductive health care and information. This not only undermines their health and wellbeing, but significantly affects their abilities to stay in school and participate in their communities.

REDD+, a global framework designed to reward governments for preserving forests, has pledged nearly $10 billion to developing countries. But minorities, indigenous people, the poor, and other marginalized groups that live in forest areas often end up paying more than their fair share of the costs of environmental cleanup and conservation while getting less in return. What can be done to change this?