Iran

US troop move to Middle East 'extremely dangerous': Zarif

Increased US presence in the region threatens international peace, Iran's foreign minister says.

NYC Green New Deal has Trump Tower in its sights

NYC Green New Deal has Trump Tower in its sights

Real-estate developers, including Trump, are targeted by strict building-emissions limits and energy-efficiency rules.

Bill Joy: Battling climate change one investment at a time

Bill Joy: Battling climate change one investment at a time

The tech legend's innovations laid the foundations of the modern internet. Now, he's working to save the planet.

Lights out: 'Circular debt' cripples Pakistan’s power sector

Lights out: 'Circular debt' cripples Pakistan’s power sector

Despite more than adequate electricity generating capacity, many Pakistanis still face blackouts.

Boris Johnson is the EU's worst nightmare

Boris Johnson is the EU's worst nightmare

Theresa May's departure raises the prospect of a UK led by the man many blame for Brexit.