Planting forests to soak up carbon dioxide from the atmosphere can have a range of side effects, including drying up streams and making soil saltier, according to a global study.

The team surveyed more than 500 places where new forests have been planted over the past half-century. In 13% of cases, streams dried up completely for at least a year. On average, plantations cut local stream flow by more than 50%.

Read (Nature)