India is in a historic water crisis. Will diverting 30 rivers solve it?

The ambitious plan is running up against environmental concerns.

Read This Next

Why kids need their own COVID-19 vaccine trials

A black-footed ferret has been cloned, a first for a U.S. endangered species

3-ton parts of Stonehenge may have been carried from earlier monuments

Go Further

Subscriber Exclusive Content

Why are people so dang obsessed with Mars?

How viruses shape our world

The era of greyhound racing in the U.S. is coming to an end

See how people have imagined life on Mars through history

See how NASA’s new Mars rover will explore the red planet

Why are people so dang obsessed with Mars?

How viruses shape our world

The era of greyhound racing in the U.S. is coming to an end

See how people have imagined life on Mars through history

See how NASA’s new Mars rover will explore the red planet

Why are people so dang obsessed with Mars?

How viruses shape our world

The era of greyhound racing in the U.S. is coming to an end

See how people have imagined life on Mars through history

See how NASA’s new Mars rover will explore the red planet