During the previous decade, there has been an increased focus on the role of food security
in processes of armed conflict, both in the academic and policy communities. While the …

The evolution of land flora transformed the terrestrial environment. Land plants evolved from
an ancestral charophycean alga from which they inherited developmental, biochemical, and …

The past decade has seen a renaissance in the development of political event data sets.
This has been due to at least three sets of factors. First, there have been technological …

This article presents the UCDP Georeferenced Event Dataset (UCDP GED). The UCDP GED
is an event dataset that disaggregates three types of organized violence (state-based …

We explore the consequences of ethnic partitioning, a neglected aspect of the Scramble for
Africa, and uncover the following. First, apart from the land mass and water bodies, split and …

Who is responsible for protest mobilization? Models of disease and information diffusion
suggest that those central to a social network (the core) should have a greater ability to …

We study the impact of global food price shocks on local violence across Africa. In food-
producing areas, higher prices reduce conflict over the control of territory (“factor conflict”) …

The spread of cell phone technology across Africa has transforming effects on the economic
and political sphere of the continent. In this paper, we investigate the impact of cell phone …

Armed conflicts often hinder food security through cropland abandonment and restrict the
collection of on-the-ground information required for targeted relief distribution. Satellite …

Large-mammal populations are ecological linchpins, and their worldwide decline and
extinction disrupts many ecosystem functions and services. Reversal of this trend will require …