Executives at the world’s most ambitious “clean coal” plant knew for years about serious design flaws and budget problems but sought to withhold key information from regulators before their plans collapsed, according to documents obtained by the Guardian.

Fears of the first full-scale tariff war since the 1930s have been raised by the head of the World Trade Organisation, in a direct warning to Donald Trump that his proposed levies on steel and aluminium will trigger a domino effect that will lead to global recession.

Some people call it the "sunrush": a 25-year period in which solar power has grown exponentially, transforming the technology from rarefied oddity to the world’s fastest-growing energy source.

At lunchtime on Friday, George Cheah, or George Junior as he is known, doesn’t really have the time to talk. "Honestly we are so busy, it’s gone absolutely mad. People have gone chicken crazy," he says over the phone, while people shout orders in the background.

When green cleaning company Ecover announced the launch of a new laundry liquid containing an oil made from algae, as an alternative to the palm oil used in most detergents, it wasn’t prepared for the backlash.

It’s been a long, slow recovery for U.S. workers but wages finally appear to be growing again, according to the latest jobs report released last week. But behind the headline rate the figures show — once more — that inequality is on the rise.

Soldiers in an area of north-eastern Cambodia where illicit logging and smuggling are rife are reported to have killed a forest protection ranger, a military police officer and a conservation worker in apparent retaliation for their seizure of equipment from illegal loggers, officials have said.