The Pentagon announced new testing guidelines for counter-drone technology aimed at improving data sharing, system comparisons, and deployment of defenses.

Country-led action on water, guided by a common vision and supported by a more aligned UN system, can demonstrate that multilateralism is capable of reform and results.

The Delhi government has moved into the next phase of its Innovation Challenge to tackle air pollution, with 22 final entries now being prepared for on-ground trial runs across the city. The trial ...