A new tool combines publicly accessible satellite imagery with AI to track poverty across African villages over time.

Researchers have developed a deep-learning model that maps fuel moisture levels in fine detail across 12 western states, opening a door for better fire predictions.

Global carbon dioxide emissions are down dramatically in the wake of COVID-19. A new study pinpoints where energy demand has dropped the most, estimates the impact on annual emissions and points the way to a less polluted future.

As climate change and population growth make drinking water costlier, here are six strategies to quench the state’s thirst without busting its budget.