4. Heatwaves around the world, including one in India that led to more than 2,000 deaths and another in Iraq that saw the mercury top 50C, helped push temperatures 1C above pre-industrial levels for the first time, US and UK researchers said.
5. "It became an issue about so many things, such as the environment, energy, workplace disasters and the role of big government. It became a lightning rodfor peoples' anxieties," she explained.