Haiti’s war on gangs is increasingly relying on a patchwork of foreign troops and private militias, making accountability more complicated.

Cement produces huge volumes of emissions – comparable to Russia or India. Why isn’t this alternative being used?

Artificial intelligence is attracting attention for its potential to deepen our understanding of climate risks and inform our responses.

Researchers found that everyone in a 100,000 sample of people has at least one genetic variant that interacts with common prescriptions.