The transport and construction companies have been testing a range of prototype equipment, in a bid to create the first emissions-free quarry in Sweden.
In our 100th episode: Why investors are bullish on sustainable infrastructure, what to expect from COP23, and how a diamond company helped build a nation.
In the 1980s, a mining company tried to divide a Wisconsin community. Instead, it created "one of the country’s fiercest grass-roots environmental face-offs.”
