As mankind puts the world’s largest living structure at risk, economists have come up with a new solution: put a price tag on it. Australia’s Great Barrier Reef is bigger than Japan, visible from space and one of the most complex ecosystems on earth. But it’s also under siege from climate change, agricultural runoff, coastal development and illegal fishing. Debate ...

A London tribunal’s ruling last week that Uber drivers aren’t self-employed was hailed as a victory by the company’s critics. The court upheld an earlier finding that Uber resorted to “fictions” and “twisted language” in denying its obligations as an employer, and that its claim to be a service linking 30,000 small businesses to their customers was “faintly ridiculous.” Clear ...

Germany is widely seen as a world leader in the fight against climate change. Thanks to its investments in renewable power, wind and solar energy provide a third of its electricity, more than double the US share. Germany’s goal to lower carbon-dioxide emissions 40 percent by 2020 is significantly more ambitious than that of Europe as a whole or the ...